Home / 63,634.40-87,815.67-35,340.09

Finding the Fourth Proportional to 63,634.40, 87,815.67 and 35,340.09

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Solution

The fourth proportional to 63,634.40, 87,815.67 and 35,340.09 is: 48,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,634.40 : 87,815.67 = 35,340.09 : x
  2. Step 2: Convert to fraction form
    63,634.40/87,815.67 = 35,340.09/x
  3. Step 3: Cross multiply
    63,634.40x = 87,815.67 × 35,340.09
  4. Step 4: Simplify right side
    63,634.40x = 3,103,413,681.21
  5. Step 5: Solve for x
    x = 3,103,413,681.21/63,634.40
  6. Step 6: Final answer
    x = 48,769.43

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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.