Home / 71,584.40-98,784.96-39,752.48

Finding the Fourth Proportional to 71,584.40, 98,784.96 and 39,752.48

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Solution

The fourth proportional to 71,584.40, 98,784.96 and 39,752.48 is: 54,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,584.40 : 98,784.96 = 39,752.48 : x
  2. Step 2: Convert to fraction form
    71,584.40/98,784.96 = 39,752.48/x
  3. Step 3: Cross multiply
    71,584.40x = 98,784.96 × 39,752.48
  4. Step 4: Simplify right side
    71,584.40x = 3,926,947,146.70
  5. Step 5: Solve for x
    x = 3,926,947,146.70/71,584.40
  6. Step 6: Final answer
    x = 54,857.58

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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.