Home / 71,708.17-98,959.65-39,444.13

Finding the Fourth Proportional to 71,708.17, 98,959.65 and 39,444.13

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Solution

The fourth proportional to 71,708.17, 98,959.65 and 39,444.13 is: 54,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,708.17 : 98,959.65 = 39,444.13 : x
  2. Step 2: Convert to fraction form
    71,708.17/98,959.65 = 39,444.13/x
  3. Step 3: Cross multiply
    71,708.17x = 98,959.65 × 39,444.13
  4. Step 4: Simplify right side
    71,708.17x = 3,903,377,299.35
  5. Step 5: Solve for x
    x = 3,903,377,299.35/71,708.17
  6. Step 6: Final answer
    x = 54,434.21

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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.