Home / 55,158.68-82,750.31-20,098.32

Finding the Fourth Proportional to 55,158.68, 82,750.31 and 20,098.32

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Solution

The fourth proportional to 55,158.68, 82,750.31 and 20,098.32 is: 30,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,158.68 : 82,750.31 = 20,098.32 : x
  2. Step 2: Convert to fraction form
    55,158.68/82,750.31 = 20,098.32/x
  3. Step 3: Cross multiply
    55,158.68x = 82,750.31 × 20,098.32
  4. Step 4: Simplify right side
    55,158.68x = 1,663,142,109.99
  5. Step 5: Solve for x
    x = 1,663,142,109.99/55,158.68
  6. Step 6: Final answer
    x = 30,151.96

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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.