Home / 52,082.72-78,124.17-18,826.26

Finding the Fourth Proportional to 52,082.72, 78,124.17 and 18,826.26

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Solution

The fourth proportional to 52,082.72, 78,124.17 and 18,826.26 is: 28,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,082.72 : 78,124.17 = 18,826.26 : x
  2. Step 2: Convert to fraction form
    52,082.72/78,124.17 = 18,826.26/x
  3. Step 3: Cross multiply
    52,082.72x = 78,124.17 × 18,826.26
  4. Step 4: Simplify right side
    52,082.72x = 1,470,785,936.70
  5. Step 5: Solve for x
    x = 1,470,785,936.70/52,082.72
  6. Step 6: Final answer
    x = 28,239.43

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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.