Home / 29,312.80-40,451.68-17,382

Finding the Fourth Proportional to 29,312.80, 40,451.68 and 17,382

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Solution

The fourth proportional to 29,312.80, 40,451.68 and 17,382 is: 23,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.80 : 40,451.68 = 17,382 : x
  2. Step 2: Convert to fraction form
    29,312.80/40,451.68 = 17,382/x
  3. Step 3: Cross multiply
    29,312.80x = 40,451.68 × 17,382
  4. Step 4: Simplify right side
    29,312.80x = 703,131,101.76
  5. Step 5: Solve for x
    x = 703,131,101.76/29,312.80
  6. Step 6: Final answer
    x = 23,987.17

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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.