Home / 40,839.17-61,252.79-12,752.69

Finding the Fourth Proportional to 40,839.17, 61,252.79 and 12,752.69

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Solution

The fourth proportional to 40,839.17, 61,252.79 and 12,752.69 is: 19,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,839.17 : 61,252.79 = 12,752.69 : x
  2. Step 2: Convert to fraction form
    40,839.17/61,252.79 = 12,752.69/x
  3. Step 3: Cross multiply
    40,839.17x = 61,252.79 × 12,752.69
  4. Step 4: Simplify right side
    40,839.17x = 781,137,472.48
  5. Step 5: Solve for x
    x = 781,137,472.48/40,839.17
  6. Step 6: Final answer
    x = 19,127.17

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1.5x scale

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.