Home / 40,159.12-55,418.06-23,164.08

Finding the Fourth Proportional to 40,159.12, 55,418.06 and 23,164.08

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Solution

The fourth proportional to 40,159.12, 55,418.06 and 23,164.08 is: 31,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.12 : 55,418.06 = 23,164.08 : x
  2. Step 2: Convert to fraction form
    40,159.12/55,418.06 = 23,164.08/x
  3. Step 3: Cross multiply
    40,159.12x = 55,418.06 × 23,164.08
  4. Step 4: Simplify right side
    40,159.12x = 1,283,708,375.28
  5. Step 5: Solve for x
    x = 1,283,708,375.28/40,159.12
  6. Step 6: Final answer
    x = 31,965.55

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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.