Home / 54,598.91-81,902.11-18,560.70

Finding the Fourth Proportional to 54,598.91, 81,902.11 and 18,560.70

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Solution

The fourth proportional to 54,598.91, 81,902.11 and 18,560.70 is: 27,842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,598.91 : 81,902.11 = 18,560.70 : x
  2. Step 2: Convert to fraction form
    54,598.91/81,902.11 = 18,560.70/x
  3. Step 3: Cross multiply
    54,598.91x = 81,902.11 × 18,560.70
  4. Step 4: Simplify right side
    54,598.91x = 1,520,160,823.41
  5. Step 5: Solve for x
    x = 1,520,160,823.41/54,598.91
  6. Step 6: Final answer
    x = 27,842.33

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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.