Home / 38,677.57-58,024.86-12,384.97

Finding the Fourth Proportional to 38,677.57, 58,024.86 and 12,384.97

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Solution

The fourth proportional to 38,677.57, 58,024.86 and 12,384.97 is: 18,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,677.57 : 58,024.86 = 12,384.97 : x
  2. Step 2: Convert to fraction form
    38,677.57/58,024.86 = 12,384.97/x
  3. Step 3: Cross multiply
    38,677.57x = 58,024.86 × 12,384.97
  4. Step 4: Simplify right side
    38,677.57x = 718,636,150.35
  5. Step 5: Solve for x
    x = 718,636,150.35/38,677.57
  6. Step 6: Final answer
    x = 18,580.18

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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.