Home / 40,388.18-60,604.14-38,915.60

Finding the Fourth Proportional to 40,388.18, 60,604.14 and 38,915.60

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Solution

The fourth proportional to 40,388.18, 60,604.14 and 38,915.60 is: 58,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,388.18 : 60,604.14 = 38,915.60 : x
  2. Step 2: Convert to fraction form
    40,388.18/60,604.14 = 38,915.60/x
  3. Step 3: Cross multiply
    40,388.18x = 60,604.14 × 38,915.60
  4. Step 4: Simplify right side
    40,388.18x = 2,358,446,654.40
  5. Step 5: Solve for x
    x = 2,358,446,654.40/40,388.18
  6. Step 6: Final answer
    x = 58,394.48

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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.