Home / 40,640.81-56,086.47-22,734.72

Finding the Fourth Proportional to 40,640.81, 56,086.47 and 22,734.72

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Solution

The fourth proportional to 40,640.81, 56,086.47 and 22,734.72 is: 31,375.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,640.81 : 56,086.47 = 22,734.72 : x
  2. Step 2: Convert to fraction form
    40,640.81/56,086.47 = 22,734.72/x
  3. Step 3: Cross multiply
    40,640.81x = 56,086.47 × 22,734.72
  4. Step 4: Simplify right side
    40,640.81x = 1,275,110,191.24
  5. Step 5: Solve for x
    x = 1,275,110,191.24/40,640.81
  6. Step 6: Final answer
    x = 31,375.12

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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.