Home / 52,487.92-78,690.30-26,179.12

Finding the Fourth Proportional to 52,487.92, 78,690.30 and 26,179.12

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Solution

The fourth proportional to 52,487.92, 78,690.30 and 26,179.12 is: 39,247.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,487.92 : 78,690.30 = 26,179.12 : x
  2. Step 2: Convert to fraction form
    52,487.92/78,690.30 = 26,179.12/x
  3. Step 3: Cross multiply
    52,487.92x = 78,690.30 × 26,179.12
  4. Step 4: Simplify right side
    52,487.92x = 2,060,042,806.54
  5. Step 5: Solve for x
    x = 2,060,042,806.54/52,487.92
  6. Step 6: Final answer
    x = 39,247.94

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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.