Home / 40,780.67-56,309.18-26,447.31

Finding the Fourth Proportional to 40,780.67, 56,309.18 and 26,447.31

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Solution

The fourth proportional to 40,780.67, 56,309.18 and 26,447.31 is: 36,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,780.67 : 56,309.18 = 26,447.31 : x
  2. Step 2: Convert to fraction form
    40,780.67/56,309.18 = 26,447.31/x
  3. Step 3: Cross multiply
    40,780.67x = 56,309.18 × 26,447.31
  4. Step 4: Simplify right side
    40,780.67x = 1,489,226,207.07
  5. Step 5: Solve for x
    x = 1,489,226,207.07/40,780.67
  6. Step 6: Final answer
    x = 36,517.95

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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.