Home / 52,144.74-78,170.31-18,856.98

Finding the Fourth Proportional to 52,144.74, 78,170.31 and 18,856.98

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Solution

The fourth proportional to 52,144.74, 78,170.31 and 18,856.98 is: 28,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,144.74 : 78,170.31 = 18,856.98 : x
  2. Step 2: Convert to fraction form
    52,144.74/78,170.31 = 18,856.98/x
  3. Step 3: Cross multiply
    52,144.74x = 78,170.31 × 18,856.98
  4. Step 4: Simplify right side
    52,144.74x = 1,474,055,972.26
  5. Step 5: Solve for x
    x = 1,474,055,972.26/52,144.74
  6. Step 6: Final answer
    x = 28,268.55

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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.