Home / 62,417.64-86,112.11-39,752.57

Finding the Fourth Proportional to 62,417.64, 86,112.11 and 39,752.57

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Solution

The fourth proportional to 62,417.64, 86,112.11 and 39,752.57 is: 54,843.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,417.64 : 86,112.11 = 39,752.57 : x
  2. Step 2: Convert to fraction form
    62,417.64/86,112.11 = 39,752.57/x
  3. Step 3: Cross multiply
    62,417.64x = 86,112.11 × 39,752.57
  4. Step 4: Simplify right side
    62,417.64x = 3,423,177,995.28
  5. Step 5: Solve for x
    x = 3,423,177,995.28/62,417.64
  6. Step 6: Final answer
    x = 54,843.12

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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.