Home / 51,680.08-77,455.12-27,986.68

Finding the Fourth Proportional to 51,680.08, 77,455.12 and 27,986.68

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Solution

The fourth proportional to 51,680.08, 77,455.12 and 27,986.68 is: 41,944.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,680.08 : 77,455.12 = 27,986.68 : x
  2. Step 2: Convert to fraction form
    51,680.08/77,455.12 = 27,986.68/x
  3. Step 3: Cross multiply
    51,680.08x = 77,455.12 × 27,986.68
  4. Step 4: Simplify right side
    51,680.08x = 2,167,711,657.80
  5. Step 5: Solve for x
    x = 2,167,711,657.80/51,680.08
  6. Step 6: Final answer
    x = 41,944.82

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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.