Home / 38,861.70-58,292.55-12,585.30

Finding the Fourth Proportional to 38,861.70, 58,292.55 and 12,585.30

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Solution

The fourth proportional to 38,861.70, 58,292.55 and 12,585.30 is: 18,877.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,861.70 : 58,292.55 = 12,585.30 : x
  2. Step 2: Convert to fraction form
    38,861.70/58,292.55 = 12,585.30/x
  3. Step 3: Cross multiply
    38,861.70x = 58,292.55 × 12,585.30
  4. Step 4: Simplify right side
    38,861.70x = 733,629,229.52
  5. Step 5: Solve for x
    x = 733,629,229.52/38,861.70
  6. Step 6: Final answer
    x = 18,877.95

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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.