Home / 71,584.79-98,788.20-39,322.39

Finding the Fourth Proportional to 71,584.79, 98,788.20 and 39,322.39

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Solution

The fourth proportional to 71,584.79, 98,788.20 and 39,322.39 is: 54,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,584.79 : 98,788.20 = 39,322.39 : x
  2. Step 2: Convert to fraction form
    71,584.79/98,788.20 = 39,322.39/x
  3. Step 3: Cross multiply
    71,584.79x = 98,788.20 × 39,322.39
  4. Step 4: Simplify right side
    71,584.79x = 3,884,588,127.80
  5. Step 5: Solve for x
    x = 3,884,588,127.80/71,584.79
  6. Step 6: Final answer
    x = 54,265.55

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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.