Home / 38,147.18-52,662.94-29,630.23

Finding the Fourth Proportional to 38,147.18, 52,662.94 and 29,630.23

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Solution

The fourth proportional to 38,147.18, 52,662.94 and 29,630.23 is: 40,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,147.18 : 52,662.94 = 29,630.23 : x
  2. Step 2: Convert to fraction form
    38,147.18/52,662.94 = 29,630.23/x
  3. Step 3: Cross multiply
    38,147.18x = 52,662.94 × 29,630.23
  4. Step 4: Simplify right side
    38,147.18x = 1,560,415,024.68
  5. Step 5: Solve for x
    x = 1,560,415,024.68/38,147.18
  6. Step 6: Final answer
    x = 40,905.12

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Half scale
Find fourth proportional to 76,294.36, 105,325.88 and 59,260.46
Double scale
Find fourth proportional to 38,148.18, 52,664.32 and 29,631.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.