Home / 47,545.68-71,313.06-12,488.10

Finding the Fourth Proportional to 47,545.68, 71,313.06 and 12,488.10

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Solution

The fourth proportional to 47,545.68, 71,313.06 and 12,488.10 is: 18,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,545.68 : 71,313.06 = 12,488.10 : x
  2. Step 2: Convert to fraction form
    47,545.68/71,313.06 = 12,488.10/x
  3. Step 3: Cross multiply
    47,545.68x = 71,313.06 × 12,488.10
  4. Step 4: Simplify right side
    47,545.68x = 890,564,624.59
  5. Step 5: Solve for x
    x = 890,564,624.59/47,545.68
  6. Step 6: Final answer
    x = 18,730.72

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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.