Home / 40,557.28-60,817.92-18,369.76

Finding the Fourth Proportional to 40,557.28, 60,817.92 and 18,369.76

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Solution

The fourth proportional to 40,557.28, 60,817.92 and 18,369.76 is: 27,546.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,557.28 : 60,817.92 = 18,369.76 : x
  2. Step 2: Convert to fraction form
    40,557.28/60,817.92 = 18,369.76/x
  3. Step 3: Cross multiply
    40,557.28x = 60,817.92 × 18,369.76
  4. Step 4: Simplify right side
    40,557.28x = 1,117,210,594.10
  5. Step 5: Solve for x
    x = 1,117,210,594.10/40,557.28
  6. Step 6: Final answer
    x = 27,546.49

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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.