Home / 38,682.44-58,024.17-12,387.18

Finding the Fourth Proportional to 38,682.44, 58,024.17 and 12,387.18

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Solution

The fourth proportional to 38,682.44, 58,024.17 and 12,387.18 is: 18,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,682.44 : 58,024.17 = 12,387.18 : x
  2. Step 2: Convert to fraction form
    38,682.44/58,024.17 = 12,387.18/x
  3. Step 3: Cross multiply
    38,682.44x = 58,024.17 × 12,387.18
  4. Step 4: Simplify right side
    38,682.44x = 718,755,838.14
  5. Step 5: Solve for x
    x = 718,755,838.14/38,682.44
  6. Step 6: Final answer
    x = 18,580.93

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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.