Home / 38,117.52-52,562.52-30,147.12

Finding the Fourth Proportional to 38,117.52, 52,562.52 and 30,147.12

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Solution

The fourth proportional to 38,117.52, 52,562.52 and 30,147.12 is: 41,571.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,117.52 : 52,562.52 = 30,147.12 : x
  2. Step 2: Convert to fraction form
    38,117.52/52,562.52 = 30,147.12/x
  3. Step 3: Cross multiply
    38,117.52x = 52,562.52 × 30,147.12
  4. Step 4: Simplify right side
    38,117.52x = 1,584,608,597.94
  5. Step 5: Solve for x
    x = 1,584,608,597.94/38,117.52
  6. Step 6: Final answer
    x = 41,571.66

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Half scale
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Double scale
Find fourth proportional to 38,118.52, 52,563.90 and 30,148.12
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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.