Home / 56,222.82-84,306.69-18,770.04

Finding the Fourth Proportional to 56,222.82, 84,306.69 and 18,770.04

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Solution

The fourth proportional to 56,222.82, 84,306.69 and 18,770.04 is: 28,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,222.82 : 84,306.69 = 18,770.04 : x
  2. Step 2: Convert to fraction form
    56,222.82/84,306.69 = 18,770.04/x
  3. Step 3: Cross multiply
    56,222.82x = 84,306.69 × 18,770.04
  4. Step 4: Simplify right side
    56,222.82x = 1,582,439,943.57
  5. Step 5: Solve for x
    x = 1,582,439,943.57/56,222.82
  6. Step 6: Final answer
    x = 28,145.87

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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.