Home / 40,017.81-55,223.81-22,112.43

Finding the Fourth Proportional to 40,017.81, 55,223.81 and 22,112.43

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Solution

The fourth proportional to 40,017.81, 55,223.81 and 22,112.43 is: 30,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,017.81 : 55,223.81 = 22,112.43 : x
  2. Step 2: Convert to fraction form
    40,017.81/55,223.81 = 22,112.43/x
  3. Step 3: Cross multiply
    40,017.81x = 55,223.81 × 22,112.43
  4. Step 4: Simplify right side
    40,017.81x = 1,221,132,632.96
  5. Step 5: Solve for x
    x = 1,221,132,632.96/40,017.81
  6. Step 6: Final answer
    x = 30,514.73

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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.