Home / 40,036.14-55,245.65-22,128.26

Finding the Fourth Proportional to 40,036.14, 55,245.65 and 22,128.26

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Solution

The fourth proportional to 40,036.14, 55,245.65 and 22,128.26 is: 30,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,036.14 : 55,245.65 = 22,128.26 : x
  2. Step 2: Convert to fraction form
    40,036.14/55,245.65 = 22,128.26/x
  3. Step 3: Cross multiply
    40,036.14x = 55,245.65 × 22,128.26
  4. Step 4: Simplify right side
    40,036.14x = 1,222,489,720.20
  5. Step 5: Solve for x
    x = 1,222,489,720.20/40,036.14
  6. Step 6: Final answer
    x = 30,534.65

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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.