Home / 61,203.12-84,436.20-35,347.92

Finding the Fourth Proportional to 61,203.12, 84,436.20 and 35,347.92

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Solution

The fourth proportional to 61,203.12, 84,436.20 and 35,347.92 is: 48,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,203.12 : 84,436.20 = 35,347.92 : x
  2. Step 2: Convert to fraction form
    61,203.12/84,436.20 = 35,347.92/x
  3. Step 3: Cross multiply
    61,203.12x = 84,436.20 × 35,347.92
  4. Step 4: Simplify right side
    61,203.12x = 2,984,644,042.70
  5. Step 5: Solve for x
    x = 2,984,644,042.70/61,203.12
  6. Step 6: Final answer
    x = 48,766.21

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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.