Home / 52,149.16-78,164.86-25,872.68

Finding the Fourth Proportional to 52,149.16, 78,164.86 and 25,872.68

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Solution

The fourth proportional to 52,149.16, 78,164.86 and 25,872.68 is: 38,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,149.16 : 78,164.86 = 25,872.68 : x
  2. Step 2: Convert to fraction form
    52,149.16/78,164.86 = 25,872.68/x
  3. Step 3: Cross multiply
    52,149.16x = 78,164.86 × 25,872.68
  4. Step 4: Simplify right side
    52,149.16x = 2,022,334,410.02
  5. Step 5: Solve for x
    x = 2,022,334,410.02/52,149.16
  6. Step 6: Final answer
    x = 38,779.81

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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.