Home / 40,109.28-55,352.09-23,112.17

Finding the Fourth Proportional to 40,109.28, 55,352.09 and 23,112.17

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Solution

The fourth proportional to 40,109.28, 55,352.09 and 23,112.17 is: 31,895.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109.28 : 55,352.09 = 23,112.17 : x
  2. Step 2: Convert to fraction form
    40,109.28/55,352.09 = 23,112.17/x
  3. Step 3: Cross multiply
    40,109.28x = 55,352.09 × 23,112.17
  4. Step 4: Simplify right side
    40,109.28x = 1,279,306,902.53
  5. Step 5: Solve for x
    x = 1,279,306,902.53/40,109.28
  6. Step 6: Final answer
    x = 31,895.54

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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.