Home / 57,040.20-78,711.48-33,165.18

Finding the Fourth Proportional to 57,040.20, 78,711.48 and 33,165.18

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Solution

The fourth proportional to 57,040.20, 78,711.48 and 33,165.18 is: 45,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,040.20 : 78,711.48 = 33,165.18 : x
  2. Step 2: Convert to fraction form
    57,040.20/78,711.48 = 33,165.18/x
  3. Step 3: Cross multiply
    57,040.20x = 78,711.48 × 33,165.18
  4. Step 4: Simplify right side
    57,040.20x = 2,610,480,402.27
  5. Step 5: Solve for x
    x = 2,610,480,402.27/57,040.20
  6. Step 6: Final answer
    x = 45,765.62

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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.