Home / 55,599.60-76,727.12-30,105.71

Finding the Fourth Proportional to 55,599.60, 76,727.12 and 30,105.71

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Solution

The fourth proportional to 55,599.60, 76,727.12 and 30,105.71 is: 41,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,599.60 : 76,727.12 = 30,105.71 : x
  2. Step 2: Convert to fraction form
    55,599.60/76,727.12 = 30,105.71/x
  3. Step 3: Cross multiply
    55,599.60x = 76,727.12 × 30,105.71
  4. Step 4: Simplify right side
    55,599.60x = 2,309,923,889.69
  5. Step 5: Solve for x
    x = 2,309,923,889.69/55,599.60
  6. Step 6: Final answer
    x = 41,545.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.