Home / 40,728.50-61,092.76-16,104.50

Finding the Fourth Proportional to 40,728.50, 61,092.76 and 16,104.50

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Solution

The fourth proportional to 40,728.50, 61,092.76 and 16,104.50 is: 24,156.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728.50 : 61,092.76 = 16,104.50 : x
  2. Step 2: Convert to fraction form
    40,728.50/61,092.76 = 16,104.50/x
  3. Step 3: Cross multiply
    40,728.50x = 61,092.76 × 16,104.50
  4. Step 4: Simplify right side
    40,728.50x = 983,868,353.42
  5. Step 5: Solve for x
    x = 983,868,353.42/40,728.50
  6. Step 6: Final answer
    x = 24,156.75

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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.