Home / 71,223.28-98,284.14-38,951.48

Finding the Fourth Proportional to 71,223.28, 98,284.14 and 38,951.48

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Solution

The fourth proportional to 71,223.28, 98,284.14 and 38,951.48 is: 53,750.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,223.28 : 98,284.14 = 38,951.48 : x
  2. Step 2: Convert to fraction form
    71,223.28/98,284.14 = 38,951.48/x
  3. Step 3: Cross multiply
    71,223.28x = 98,284.14 × 38,951.48
  4. Step 4: Simplify right side
    71,223.28x = 3,828,312,713.53
  5. Step 5: Solve for x
    x = 3,828,312,713.53/71,223.28
  6. Step 6: Final answer
    x = 53,750.86

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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.