Home / 38,845.20-58,269.02-12,550.18

Finding the Fourth Proportional to 38,845.20, 58,269.02 and 12,550.18

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Solution

The fourth proportional to 38,845.20, 58,269.02 and 12,550.18 is: 18,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845.20 : 58,269.02 = 12,550.18 : x
  2. Step 2: Convert to fraction form
    38,845.20/58,269.02 = 12,550.18/x
  3. Step 3: Cross multiply
    38,845.20x = 58,269.02 × 12,550.18
  4. Step 4: Simplify right side
    38,845.20x = 731,286,689.42
  5. Step 5: Solve for x
    x = 731,286,689.42/38,845.20
  6. Step 6: Final answer
    x = 18,825.66

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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.