Home / 51,801.46-77,715.12-18,067.96

Finding the Fourth Proportional to 51,801.46, 77,715.12 and 18,067.96

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Solution

The fourth proportional to 51,801.46, 77,715.12 and 18,067.96 is: 27,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,801.46 : 77,715.12 = 18,067.96 : x
  2. Step 2: Convert to fraction form
    51,801.46/77,715.12 = 18,067.96/x
  3. Step 3: Cross multiply
    51,801.46x = 77,715.12 × 18,067.96
  4. Step 4: Simplify right side
    51,801.46x = 1,404,153,793.64
  5. Step 5: Solve for x
    x = 1,404,153,793.64/51,801.46
  6. Step 6: Final answer
    x = 27,106.45

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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.