Home / 40,189.19-55,464.21-22,287.69

Finding the Fourth Proportional to 40,189.19, 55,464.21 and 22,287.69

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Solution

The fourth proportional to 40,189.19, 55,464.21 and 22,287.69 is: 30,758.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,189.19 : 55,464.21 = 22,287.69 : x
  2. Step 2: Convert to fraction form
    40,189.19/55,464.21 = 22,287.69/x
  3. Step 3: Cross multiply
    40,189.19x = 55,464.21 × 22,287.69
  4. Step 4: Simplify right side
    40,189.19x = 1,236,169,118.57
  5. Step 5: Solve for x
    x = 1,236,169,118.57/40,189.19
  6. Step 6: Final answer
    x = 30,758.75

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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.