Home / 54,598.38-81,848.80-21,310.66

Finding the Fourth Proportional to 54,598.38, 81,848.80 and 21,310.66

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Solution

The fourth proportional to 54,598.38, 81,848.80 and 21,310.66 is: 31,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,598.38 : 81,848.80 = 21,310.66 : x
  2. Step 2: Convert to fraction form
    54,598.38/81,848.80 = 21,310.66/x
  3. Step 3: Cross multiply
    54,598.38x = 81,848.80 × 21,310.66
  4. Step 4: Simplify right side
    54,598.38x = 1,744,251,948.21
  5. Step 5: Solve for x
    x = 1,744,251,948.21/54,598.38
  6. Step 6: Final answer
    x = 31,946.95

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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.