Home / 71,104.02-106,654.65-21,217.95

Finding the Fourth Proportional to 71,104.02, 106,654.65 and 21,217.95

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Solution

The fourth proportional to 71,104.02, 106,654.65 and 21,217.95 is: 31,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,104.02 : 106,654.65 = 21,217.95 : x
  2. Step 2: Convert to fraction form
    71,104.02/106,654.65 = 21,217.95/x
  3. Step 3: Cross multiply
    71,104.02x = 106,654.65 × 21,217.95
  4. Step 4: Simplify right side
    71,104.02x = 2,262,993,030.97
  5. Step 5: Solve for x
    x = 2,262,993,030.97/71,104.02
  6. Step 6: Final answer
    x = 31,826.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.