Home / 62,982.16-86,957.20-39,144.40

Finding the Fourth Proportional to 62,982.16, 86,957.20 and 39,144.40

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Solution

The fourth proportional to 62,982.16, 86,957.20 and 39,144.40 is: 54,045.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,982.16 : 86,957.20 = 39,144.40 : x
  2. Step 2: Convert to fraction form
    62,982.16/86,957.20 = 39,144.40/x
  3. Step 3: Cross multiply
    62,982.16x = 86,957.20 × 39,144.40
  4. Step 4: Simplify right side
    62,982.16x = 3,403,887,419.68
  5. Step 5: Solve for x
    x = 3,403,887,419.68/62,982.16
  6. Step 6: Final answer
    x = 54,045.26

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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.