Home / 45,412.76-68,119.18-21,714.73

Finding the Fourth Proportional to 45,412.76, 68,119.18 and 21,714.73

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Solution

The fourth proportional to 45,412.76, 68,119.18 and 21,714.73 is: 32,572.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,412.76 : 68,119.18 = 21,714.73 : x
  2. Step 2: Convert to fraction form
    45,412.76/68,119.18 = 21,714.73/x
  3. Step 3: Cross multiply
    45,412.76x = 68,119.18 × 21,714.73
  4. Step 4: Simplify right side
    45,412.76x = 1,479,189,601.52
  5. Step 5: Solve for x
    x = 1,479,189,601.52/45,412.76
  6. Step 6: Final answer
    x = 32,572.11

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Double scale
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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.