Home / 57,351.18-79,224.39-54,548.76

Finding the Fourth Proportional to 57,351.18, 79,224.39 and 54,548.76

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Solution

The fourth proportional to 57,351.18, 79,224.39 and 54,548.76 is: 75,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,351.18 : 79,224.39 = 54,548.76 : x
  2. Step 2: Convert to fraction form
    57,351.18/79,224.39 = 54,548.76/x
  3. Step 3: Cross multiply
    57,351.18x = 79,224.39 × 54,548.76
  4. Step 4: Simplify right side
    57,351.18x = 4,321,592,236.26
  5. Step 5: Solve for x
    x = 4,321,592,236.26/57,351.18
  6. Step 6: Final answer
    x = 75,353.15

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.