Home / 38,731.44-53,450.56-27,421.12

Finding the Fourth Proportional to 38,731.44, 53,450.56 and 27,421.12

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Solution

The fourth proportional to 38,731.44, 53,450.56 and 27,421.12 is: 37,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,731.44 : 53,450.56 = 27,421.12 : x
  2. Step 2: Convert to fraction form
    38,731.44/53,450.56 = 27,421.12/x
  3. Step 3: Cross multiply
    38,731.44x = 53,450.56 × 27,421.12
  4. Step 4: Simplify right side
    38,731.44x = 1,465,674,219.83
  5. Step 5: Solve for x
    x = 1,465,674,219.83/38,731.44
  6. Step 6: Final answer
    x = 37,841.98

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Half scale
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Double scale
Find fourth proportional to 38,732.44, 53,451.94 and 27,422.12
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.