Home / 39,956.28-59,880.96-18,901.92

Finding the Fourth Proportional to 39,956.28, 59,880.96 and 18,901.92

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Solution

The fourth proportional to 39,956.28, 59,880.96 and 18,901.92 is: 28,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,956.28 : 59,880.96 = 18,901.92 : x
  2. Step 2: Convert to fraction form
    39,956.28/59,880.96 = 18,901.92/x
  3. Step 3: Cross multiply
    39,956.28x = 59,880.96 × 18,901.92
  4. Step 4: Simplify right side
    39,956.28x = 1,131,865,115.44
  5. Step 5: Solve for x
    x = 1,131,865,115.44/39,956.28
  6. Step 6: Final answer
    x = 28,327.59

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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.