Home / 54,113.76-81,115.92-25,992.72

Finding the Fourth Proportional to 54,113.76, 81,115.92 and 25,992.72

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Solution

The fourth proportional to 54,113.76, 81,115.92 and 25,992.72 is: 38,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,113.76 : 81,115.92 = 25,992.72 : x
  2. Step 2: Convert to fraction form
    54,113.76/81,115.92 = 25,992.72/x
  3. Step 3: Cross multiply
    54,113.76x = 81,115.92 × 25,992.72
  4. Step 4: Simplify right side
    54,113.76x = 2,108,423,396.10
  5. Step 5: Solve for x
    x = 2,108,423,396.10/54,113.76
  6. Step 6: Final answer
    x = 38,962.80

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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.