Home / 40,112.15-55,360.83-23,118.92

Finding the Fourth Proportional to 40,112.15, 55,360.83 and 23,118.92

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Solution

The fourth proportional to 40,112.15, 55,360.83 and 23,118.92 is: 31,907.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112.15 : 55,360.83 = 23,118.92 : x
  2. Step 2: Convert to fraction form
    40,112.15/55,360.83 = 23,118.92/x
  3. Step 3: Cross multiply
    40,112.15x = 55,360.83 × 23,118.92
  4. Step 4: Simplify right side
    40,112.15x = 1,279,882,617.40
  5. Step 5: Solve for x
    x = 1,279,882,617.40/40,112.15
  6. Step 6: Final answer
    x = 31,907.61

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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.