Home / 54,311.90-81,467.85-23,143.10

Finding the Fourth Proportional to 54,311.90, 81,467.85 and 23,143.10

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Solution

The fourth proportional to 54,311.90, 81,467.85 and 23,143.10 is: 34,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.90 : 81,467.85 = 23,143.10 : x
  2. Step 2: Convert to fraction form
    54,311.90/81,467.85 = 23,143.10/x
  3. Step 3: Cross multiply
    54,311.90x = 81,467.85 × 23,143.10
  4. Step 4: Simplify right side
    54,311.90x = 1,885,418,599.34
  5. Step 5: Solve for x
    x = 1,885,418,599.34/54,311.90
  6. Step 6: Final answer
    x = 34,714.65

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Double scale
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Similar ratio
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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.