Home / 67,261.59-92,818.45-40,418.90

Finding the Fourth Proportional to 67,261.59, 92,818.45 and 40,418.90

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Solution

The fourth proportional to 67,261.59, 92,818.45 and 40,418.90 is: 55,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,261.59 : 92,818.45 = 40,418.90 : x
  2. Step 2: Convert to fraction form
    67,261.59/92,818.45 = 40,418.90/x
  3. Step 3: Cross multiply
    67,261.59x = 92,818.45 × 40,418.90
  4. Step 4: Simplify right side
    67,261.59x = 3,751,619,083.57
  5. Step 5: Solve for x
    x = 3,751,619,083.57/67,261.59
  6. Step 6: Final answer
    x = 55,776.55

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1.5x scale

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.