Home / 52,250.81-78,351.50-20,244.87

Finding the Fourth Proportional to 52,250.81, 78,351.50 and 20,244.87

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Solution

The fourth proportional to 52,250.81, 78,351.50 and 20,244.87 is: 30,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,250.81 : 78,351.50 = 20,244.87 : x
  2. Step 2: Convert to fraction form
    52,250.81/78,351.50 = 20,244.87/x
  3. Step 3: Cross multiply
    52,250.81x = 78,351.50 × 20,244.87
  4. Step 4: Simplify right side
    52,250.81x = 1,586,215,540.05
  5. Step 5: Solve for x
    x = 1,586,215,540.05/52,250.81
  6. Step 6: Final answer
    x = 30,357.72

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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.