Home / 58,631.43-87,946.20-18,649.83

Finding the Fourth Proportional to 58,631.43, 87,946.20 and 18,649.83

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Solution

The fourth proportional to 58,631.43, 87,946.20 and 18,649.83 is: 27,974.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,631.43 : 87,946.20 = 18,649.83 : x
  2. Step 2: Convert to fraction form
    58,631.43/87,946.20 = 18,649.83/x
  3. Step 3: Cross multiply
    58,631.43x = 87,946.20 × 18,649.83
  4. Step 4: Simplify right side
    58,631.43x = 1,640,181,679.15
  5. Step 5: Solve for x
    x = 1,640,181,679.15/58,631.43
  6. Step 6: Final answer
    x = 27,974.44

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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.