Home / 54,034.30-81,002.85-34,302.70

Finding the Fourth Proportional to 54,034.30, 81,002.85 and 34,302.70

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Solution

The fourth proportional to 54,034.30, 81,002.85 and 34,302.70 is: 51,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,034.30 : 81,002.85 = 34,302.70 : x
  2. Step 2: Convert to fraction form
    54,034.30/81,002.85 = 34,302.70/x
  3. Step 3: Cross multiply
    54,034.30x = 81,002.85 × 34,302.70
  4. Step 4: Simplify right side
    54,034.30x = 2,778,616,462.70
  5. Step 5: Solve for x
    x = 2,778,616,462.70/54,034.30
  6. Step 6: Final answer
    x = 51,423.20

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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.