Home / 47,924.19-66,121.11-27,780.03

Finding the Fourth Proportional to 47,924.19, 66,121.11 and 27,780.03

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Solution

The fourth proportional to 47,924.19, 66,121.11 and 27,780.03 is: 38,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,924.19 : 66,121.11 = 27,780.03 : x
  2. Step 2: Convert to fraction form
    47,924.19/66,121.11 = 27,780.03/x
  3. Step 3: Cross multiply
    47,924.19x = 66,121.11 × 27,780.03
  4. Step 4: Simplify right side
    47,924.19x = 1,836,846,419.43
  5. Step 5: Solve for x
    x = 1,836,846,419.43/47,924.19
  6. Step 6: Final answer
    x = 38,328.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.