Home / 40,292.40-60,438.60-39,601.20

Finding the Fourth Proportional to 40,292.40, 60,438.60 and 39,601.20

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Solution

The fourth proportional to 40,292.40, 60,438.60 and 39,601.20 is: 59,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,292.40 : 60,438.60 = 39,601.20 : x
  2. Step 2: Convert to fraction form
    40,292.40/60,438.60 = 39,601.20/x
  3. Step 3: Cross multiply
    40,292.40x = 60,438.60 × 39,601.20
  4. Step 4: Simplify right side
    40,292.40x = 2,393,441,086.32
  5. Step 5: Solve for x
    x = 2,393,441,086.32/40,292.40
  6. Step 6: Final answer
    x = 59,401.80

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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.