Home / 52,156.06-78,237.38-20,150.39

Finding the Fourth Proportional to 52,156.06, 78,237.38 and 20,150.39

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Solution

The fourth proportional to 52,156.06, 78,237.38 and 20,150.39 is: 30,226.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,156.06 : 78,237.38 = 20,150.39 : x
  2. Step 2: Convert to fraction form
    52,156.06/78,237.38 = 20,150.39/x
  3. Step 3: Cross multiply
    52,156.06x = 78,237.38 × 20,150.39
  4. Step 4: Simplify right side
    52,156.06x = 1,576,513,965.55
  5. Step 5: Solve for x
    x = 1,576,513,965.55/52,156.06
  6. Step 6: Final answer
    x = 30,226.86

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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.