Home / 42,545.28-58,711.65-26,638.50

Finding the Fourth Proportional to 42,545.28, 58,711.65 and 26,638.50

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Solution

The fourth proportional to 42,545.28, 58,711.65 and 26,638.50 is: 36,760.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,545.28 : 58,711.65 = 26,638.50 : x
  2. Step 2: Convert to fraction form
    42,545.28/58,711.65 = 26,638.50/x
  3. Step 3: Cross multiply
    42,545.28x = 58,711.65 × 26,638.50
  4. Step 4: Simplify right side
    42,545.28x = 1,563,990,288.53
  5. Step 5: Solve for x
    x = 1,563,990,288.53/42,545.28
  6. Step 6: Final answer
    x = 36,760.61

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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.