Home / 60,733.28-91,140.59-21,290.39

Finding the Fourth Proportional to 60,733.28, 91,140.59 and 21,290.39

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Solution

The fourth proportional to 60,733.28, 91,140.59 and 21,290.39 is: 31,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,733.28 : 91,140.59 = 21,290.39 : x
  2. Step 2: Convert to fraction form
    60,733.28/91,140.59 = 21,290.39/x
  3. Step 3: Cross multiply
    60,733.28x = 91,140.59 × 21,290.39
  4. Step 4: Simplify right side
    60,733.28x = 1,940,418,143.78
  5. Step 5: Solve for x
    x = 1,940,418,143.78/60,733.28
  6. Step 6: Final answer
    x = 31,949.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.