Home / 62,815.28-86,684.09-34,520.36

Finding the Fourth Proportional to 62,815.28, 86,684.09 and 34,520.36

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Solution

The fourth proportional to 62,815.28, 86,684.09 and 34,520.36 is: 47,637.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,815.28 : 86,684.09 = 34,520.36 : x
  2. Step 2: Convert to fraction form
    62,815.28/86,684.09 = 34,520.36/x
  3. Step 3: Cross multiply
    62,815.28x = 86,684.09 × 34,520.36
  4. Step 4: Simplify right side
    62,815.28x = 2,992,365,387.05
  5. Step 5: Solve for x
    x = 2,992,365,387.05/62,815.28
  6. Step 6: Final answer
    x = 47,637.54

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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.