Home / 63,545.70-87,697.20-36,689.34

Finding the Fourth Proportional to 63,545.70, 87,697.20 and 36,689.34

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Solution

The fourth proportional to 63,545.70, 87,697.20 and 36,689.34 is: 50,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,545.70 : 87,697.20 = 36,689.34 : x
  2. Step 2: Convert to fraction form
    63,545.70/87,697.20 = 36,689.34/x
  3. Step 3: Cross multiply
    63,545.70x = 87,697.20 × 36,689.34
  4. Step 4: Simplify right side
    63,545.70x = 3,217,552,387.85
  5. Step 5: Solve for x
    x = 3,217,552,387.85/63,545.70
  6. Step 6: Final answer
    x = 50,633.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.