Home / 40,118.32-55,350.75-23,120.25

Finding the Fourth Proportional to 40,118.32, 55,350.75 and 23,120.25

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Solution

The fourth proportional to 40,118.32, 55,350.75 and 23,120.25 is: 31,898.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,118.32 : 55,350.75 = 23,120.25 : x
  2. Step 2: Convert to fraction form
    40,118.32/55,350.75 = 23,120.25/x
  3. Step 3: Cross multiply
    40,118.32x = 55,350.75 × 23,120.25
  4. Step 4: Simplify right side
    40,118.32x = 1,279,723,305.46
  5. Step 5: Solve for x
    x = 1,279,723,305.46/40,118.32
  6. Step 6: Final answer
    x = 31,898.73

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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.