Home / 47,782.32-71,674.18-18,201.78

Finding the Fourth Proportional to 47,782.32, 71,674.18 and 18,201.78

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Solution

The fourth proportional to 47,782.32, 71,674.18 and 18,201.78 is: 27,302.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,782.32 : 71,674.18 = 18,201.78 : x
  2. Step 2: Convert to fraction form
    47,782.32/71,674.18 = 18,201.78/x
  3. Step 3: Cross multiply
    47,782.32x = 71,674.18 × 18,201.78
  4. Step 4: Simplify right side
    47,782.32x = 1,304,597,656.04
  5. Step 5: Solve for x
    x = 1,304,597,656.04/47,782.32
  6. Step 6: Final answer
    x = 27,302.94

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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.