Home / 36,474.75-54,657.42-28,142.28

Finding the Fourth Proportional to 36,474.75, 54,657.42 and 28,142.28

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Solution

The fourth proportional to 36,474.75, 54,657.42 and 28,142.28 is: 42,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,474.75 : 54,657.42 = 28,142.28 : x
  2. Step 2: Convert to fraction form
    36,474.75/54,657.42 = 28,142.28/x
  3. Step 3: Cross multiply
    36,474.75x = 54,657.42 × 28,142.28
  4. Step 4: Simplify right side
    36,474.75x = 1,538,184,417.72
  5. Step 5: Solve for x
    x = 1,538,184,417.72/36,474.75
  6. Step 6: Final answer
    x = 42,171.21

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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.