Home / 54,819.95-82,235.76-17,385.35

Finding the Fourth Proportional to 54,819.95, 82,235.76 and 17,385.35

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Solution

The fourth proportional to 54,819.95, 82,235.76 and 17,385.35 is: 26,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,819.95 : 82,235.76 = 17,385.35 : x
  2. Step 2: Convert to fraction form
    54,819.95/82,235.76 = 17,385.35/x
  3. Step 3: Cross multiply
    54,819.95x = 82,235.76 × 17,385.35
  4. Step 4: Simplify right side
    54,819.95x = 1,429,697,470.12
  5. Step 5: Solve for x
    x = 1,429,697,470.12/54,819.95
  6. Step 6: Final answer
    x = 26,079.88

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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.