Home / 52,261.80-72,126.60-30,759.96

Finding the Fourth Proportional to 52,261.80, 72,126.60 and 30,759.96

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Solution

The fourth proportional to 52,261.80, 72,126.60 and 30,759.96 is: 42,451.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261.80 : 72,126.60 = 30,759.96 : x
  2. Step 2: Convert to fraction form
    52,261.80/72,126.60 = 30,759.96/x
  3. Step 3: Cross multiply
    52,261.80x = 72,126.60 × 30,759.96
  4. Step 4: Simplify right side
    52,261.80x = 2,218,611,330.94
  5. Step 5: Solve for x
    x = 2,218,611,330.94/52,261.80
  6. Step 6: Final answer
    x = 42,451.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.