Home / 57,291.20-79,060.72-32,140.64

Finding the Fourth Proportional to 57,291.20, 79,060.72 and 32,140.64

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Solution

The fourth proportional to 57,291.20, 79,060.72 and 32,140.64 is: 44,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,291.20 : 79,060.72 = 32,140.64 : x
  2. Step 2: Convert to fraction form
    57,291.20/79,060.72 = 32,140.64/x
  3. Step 3: Cross multiply
    57,291.20x = 79,060.72 × 32,140.64
  4. Step 4: Simplify right side
    57,291.20x = 2,541,062,139.66
  5. Step 5: Solve for x
    x = 2,541,062,139.66/57,291.20
  6. Step 6: Final answer
    x = 44,353.45

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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.