Home / 47,676.11-71,486.46-18,077.78

Finding the Fourth Proportional to 47,676.11, 71,486.46 and 18,077.78

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Solution

The fourth proportional to 47,676.11, 71,486.46 and 18,077.78 is: 27,106.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,676.11 : 71,486.46 = 18,077.78 : x
  2. Step 2: Convert to fraction form
    47,676.11/71,486.46 = 18,077.78/x
  3. Step 3: Cross multiply
    47,676.11x = 71,486.46 × 18,077.78
  4. Step 4: Simplify right side
    47,676.11x = 1,292,316,675.57
  5. Step 5: Solve for x
    x = 1,292,316,675.57/47,676.11
  6. Step 6: Final answer
    x = 27,106.17

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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.