Home / 51,514.38-77,167.71-43,171.02

Finding the Fourth Proportional to 51,514.38, 77,167.71 and 43,171.02

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Solution

The fourth proportional to 51,514.38, 77,167.71 and 43,171.02 is: 64,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,514.38 : 77,167.71 = 43,171.02 : x
  2. Step 2: Convert to fraction form
    51,514.38/77,167.71 = 43,171.02/x
  3. Step 3: Cross multiply
    51,514.38x = 77,167.71 × 43,171.02
  4. Step 4: Simplify right side
    51,514.38x = 3,331,408,751.76
  5. Step 5: Solve for x
    x = 3,331,408,751.76/51,514.38
  6. Step 6: Final answer
    x = 64,669.49

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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.