Home / 71,656.19-98,884.82-39,824.45

Finding the Fourth Proportional to 71,656.19, 98,884.82 and 39,824.45

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Solution

The fourth proportional to 71,656.19, 98,884.82 and 39,824.45 is: 54,957.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,656.19 : 98,884.82 = 39,824.45 : x
  2. Step 2: Convert to fraction form
    71,656.19/98,884.82 = 39,824.45/x
  3. Step 3: Cross multiply
    71,656.19x = 98,884.82 × 39,824.45
  4. Step 4: Simplify right side
    71,656.19x = 3,938,032,876.30
  5. Step 5: Solve for x
    x = 3,938,032,876.30/71,656.19
  6. Step 6: Final answer
    x = 54,957.33

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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.