Home / 54,898.15-82,348.13-15,456.21

Finding the Fourth Proportional to 54,898.15, 82,348.13 and 15,456.21

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Solution

The fourth proportional to 54,898.15, 82,348.13 and 15,456.21 is: 23,184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,898.15 : 82,348.13 = 15,456.21 : x
  2. Step 2: Convert to fraction form
    54,898.15/82,348.13 = 15,456.21/x
  3. Step 3: Cross multiply
    54,898.15x = 82,348.13 × 15,456.21
  4. Step 4: Simplify right side
    54,898.15x = 1,272,789,990.39
  5. Step 5: Solve for x
    x = 1,272,789,990.39/54,898.15
  6. Step 6: Final answer
    x = 23,184.57

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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.