Home / 54,304.89-81,437.34-18,757.17

Finding the Fourth Proportional to 54,304.89, 81,437.34 and 18,757.17

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Solution

The fourth proportional to 54,304.89, 81,437.34 and 18,757.17 is: 28,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,304.89 : 81,437.34 = 18,757.17 : x
  2. Step 2: Convert to fraction form
    54,304.89/81,437.34 = 18,757.17/x
  3. Step 3: Cross multiply
    54,304.89x = 81,437.34 × 18,757.17
  4. Step 4: Simplify right side
    54,304.89x = 1,527,534,030.73
  5. Step 5: Solve for x
    x = 1,527,534,030.73/54,304.89
  6. Step 6: Final answer
    x = 28,128.85

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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.