Home / 60,655.10-83,717.70-39,397.46

Finding the Fourth Proportional to 60,655.10, 83,717.70 and 39,397.46

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Solution

The fourth proportional to 60,655.10, 83,717.70 and 39,397.46 is: 54,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,655.10 : 83,717.70 = 39,397.46 : x
  2. Step 2: Convert to fraction form
    60,655.10/83,717.70 = 39,397.46/x
  3. Step 3: Cross multiply
    60,655.10x = 83,717.70 × 39,397.46
  4. Step 4: Simplify right side
    60,655.10x = 3,298,264,737.04
  5. Step 5: Solve for x
    x = 3,298,264,737.04/60,655.10
  6. Step 6: Final answer
    x = 54,377.37

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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.