Home / 50,600.10-75,839.40-21,002.70

Finding the Fourth Proportional to 50,600.10, 75,839.40 and 21,002.70

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Solution

The fourth proportional to 50,600.10, 75,839.40 and 21,002.70 is: 31,478.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,600.10 : 75,839.40 = 21,002.70 : x
  2. Step 2: Convert to fraction form
    50,600.10/75,839.40 = 21,002.70/x
  3. Step 3: Cross multiply
    50,600.10x = 75,839.40 × 21,002.70
  4. Step 4: Simplify right side
    50,600.10x = 1,592,832,166.38
  5. Step 5: Solve for x
    x = 1,592,832,166.38/50,600.10
  6. Step 6: Final answer
    x = 31,478.83

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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.