Home / 64,826.40-97,045.20-38,517.60

Finding the Fourth Proportional to 64,826.40, 97,045.20 and 38,517.60

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Solution

The fourth proportional to 64,826.40, 97,045.20 and 38,517.60 is: 57,660.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,826.40 : 97,045.20 = 38,517.60 : x
  2. Step 2: Convert to fraction form
    64,826.40/97,045.20 = 38,517.60/x
  3. Step 3: Cross multiply
    64,826.40x = 97,045.20 × 38,517.60
  4. Step 4: Simplify right side
    64,826.40x = 3,737,948,195.52
  5. Step 5: Solve for x
    x = 3,737,948,195.52/64,826.40
  6. Step 6: Final answer
    x = 57,660.89

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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.