Home / 40,443.83-60,665.91-12,363.78

Finding the Fourth Proportional to 40,443.83, 60,665.91 and 12,363.78

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Solution

The fourth proportional to 40,443.83, 60,665.91 and 12,363.78 is: 18,545.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,443.83 : 60,665.91 = 12,363.78 : x
  2. Step 2: Convert to fraction form
    40,443.83/60,665.91 = 12,363.78/x
  3. Step 3: Cross multiply
    40,443.83x = 60,665.91 × 12,363.78
  4. Step 4: Simplify right side
    40,443.83x = 750,059,902.92
  5. Step 5: Solve for x
    x = 750,059,902.92/40,443.83
  6. Step 6: Final answer
    x = 18,545.72

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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.