Home / 40,309.92-60,403.28-16,923.52

Finding the Fourth Proportional to 40,309.92, 60,403.28 and 16,923.52

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Solution

The fourth proportional to 40,309.92, 60,403.28 and 16,923.52 is: 25,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,309.92 : 60,403.28 = 16,923.52 : x
  2. Step 2: Convert to fraction form
    40,309.92/60,403.28 = 16,923.52/x
  3. Step 3: Cross multiply
    40,309.92x = 60,403.28 × 16,923.52
  4. Step 4: Simplify right side
    40,309.92x = 1,022,236,117.15
  5. Step 5: Solve for x
    x = 1,022,236,117.15/40,309.92
  6. Step 6: Final answer
    x = 25,359.42

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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.