Home / 39,033.92-58,560.20-12,738.71

Finding the Fourth Proportional to 39,033.92, 58,560.20 and 12,738.71

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Solution

The fourth proportional to 39,033.92, 58,560.20 and 12,738.71 is: 19,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033.92 : 58,560.20 = 12,738.71 : x
  2. Step 2: Convert to fraction form
    39,033.92/58,560.20 = 12,738.71/x
  3. Step 3: Cross multiply
    39,033.92x = 58,560.20 × 12,738.71
  4. Step 4: Simplify right side
    39,033.92x = 745,981,405.34
  5. Step 5: Solve for x
    x = 745,981,405.34/39,033.92
  6. Step 6: Final answer
    x = 19,111.11

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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.