Home / 30,539.78-45,839.24-14,755.92

Finding the Fourth Proportional to 30,539.78, 45,839.24 and 14,755.92

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Solution

The fourth proportional to 30,539.78, 45,839.24 and 14,755.92 is: 22,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,539.78 : 45,839.24 = 14,755.92 : x
  2. Step 2: Convert to fraction form
    30,539.78/45,839.24 = 14,755.92/x
  3. Step 3: Cross multiply
    30,539.78x = 45,839.24 × 14,755.92
  4. Step 4: Simplify right side
    30,539.78x = 676,400,195.19
  5. Step 5: Solve for x
    x = 676,400,195.19/30,539.78
  6. Step 6: Final answer
    x = 22,148.17

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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.