Home / 40,529.92-60,816.28-28,759.74

Finding the Fourth Proportional to 40,529.92, 60,816.28 and 28,759.74

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Solution

The fourth proportional to 40,529.92, 60,816.28 and 28,759.74 is: 43,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,529.92 : 60,816.28 = 28,759.74 : x
  2. Step 2: Convert to fraction form
    40,529.92/60,816.28 = 28,759.74/x
  3. Step 3: Cross multiply
    40,529.92x = 60,816.28 × 28,759.74
  4. Step 4: Simplify right side
    40,529.92x = 1,749,060,328.67
  5. Step 5: Solve for x
    x = 1,749,060,328.67/40,529.92
  6. Step 6: Final answer
    x = 43,154.80

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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.