Home / 56,340.65-84,388.14-28,211.64

Finding the Fourth Proportional to 56,340.65, 84,388.14 and 28,211.64

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Solution

The fourth proportional to 56,340.65, 84,388.14 and 28,211.64 is: 42,255.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,340.65 : 84,388.14 = 28,211.64 : x
  2. Step 2: Convert to fraction form
    56,340.65/84,388.14 = 28,211.64/x
  3. Step 3: Cross multiply
    56,340.65x = 84,388.14 × 28,211.64
  4. Step 4: Simplify right side
    56,340.65x = 2,380,727,825.95
  5. Step 5: Solve for x
    x = 2,380,727,825.95/56,340.65
  6. Step 6: Final answer
    x = 42,255.96

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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.