Home / 56,351.76-84,471.51-28,185.87

Finding the Fourth Proportional to 56,351.76, 84,471.51 and 28,185.87

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Solution

The fourth proportional to 56,351.76, 84,471.51 and 28,185.87 is: 42,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,351.76 : 84,471.51 = 28,185.87 : x
  2. Step 2: Convert to fraction form
    56,351.76/84,471.51 = 28,185.87/x
  3. Step 3: Cross multiply
    56,351.76x = 84,471.51 × 28,185.87
  4. Step 4: Simplify right side
    56,351.76x = 2,380,902,999.56
  5. Step 5: Solve for x
    x = 2,380,902,999.56/56,351.76
  6. Step 6: Final answer
    x = 42,250.73

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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.