Home / 40,141.39-55,395.12-22,237.57

Finding the Fourth Proportional to 40,141.39, 55,395.12 and 22,237.57

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Solution

The fourth proportional to 40,141.39, 55,395.12 and 22,237.57 is: 30,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,141.39 : 55,395.12 = 22,237.57 : x
  2. Step 2: Convert to fraction form
    40,141.39/55,395.12 = 22,237.57/x
  3. Step 3: Cross multiply
    40,141.39x = 55,395.12 × 22,237.57
  4. Step 4: Simplify right side
    40,141.39x = 1,231,852,858.66
  5. Step 5: Solve for x
    x = 1,231,852,858.66/40,141.39
  6. Step 6: Final answer
    x = 30,687.85

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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.