Home / 39,727.92-59,604.84-18,948.72

Finding the Fourth Proportional to 39,727.92, 59,604.84 and 18,948.72

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Solution

The fourth proportional to 39,727.92, 59,604.84 and 18,948.72 is: 28,429.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,727.92 : 59,604.84 = 18,948.72 : x
  2. Step 2: Convert to fraction form
    39,727.92/59,604.84 = 18,948.72/x
  3. Step 3: Cross multiply
    39,727.92x = 59,604.84 × 18,948.72
  4. Step 4: Simplify right side
    39,727.92x = 1,129,435,423.80
  5. Step 5: Solve for x
    x = 1,129,435,423.80/39,727.92
  6. Step 6: Final answer
    x = 28,429.26

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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.