Home / 57,534.40-86,301.60-34,148.80

Finding the Fourth Proportional to 57,534.40, 86,301.60 and 34,148.80

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Solution

The fourth proportional to 57,534.40, 86,301.60 and 34,148.80 is: 51,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,534.40 : 86,301.60 = 34,148.80 : x
  2. Step 2: Convert to fraction form
    57,534.40/86,301.60 = 34,148.80/x
  3. Step 3: Cross multiply
    57,534.40x = 86,301.60 × 34,148.80
  4. Step 4: Simplify right side
    57,534.40x = 2,947,096,078.08
  5. Step 5: Solve for x
    x = 2,947,096,078.08/57,534.40
  6. Step 6: Final answer
    x = 51,223.20

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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.