Home / 38,189.66-52,704.15-21,423.74

Finding the Fourth Proportional to 38,189.66, 52,704.15 and 21,423.74

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Solution

The fourth proportional to 38,189.66, 52,704.15 and 21,423.74 is: 29,566.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.66 : 52,704.15 = 21,423.74 : x
  2. Step 2: Convert to fraction form
    38,189.66/52,704.15 = 21,423.74/x
  3. Step 3: Cross multiply
    38,189.66x = 52,704.15 × 21,423.74
  4. Step 4: Simplify right side
    38,189.66x = 1,129,120,006.52
  5. Step 5: Solve for x
    x = 1,129,120,006.52/38,189.66
  6. Step 6: Final answer
    x = 29,566.12

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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.