Home / 40,162.90-55,423.38-22,259.57

Finding the Fourth Proportional to 40,162.90, 55,423.38 and 22,259.57

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Solution

The fourth proportional to 40,162.90, 55,423.38 and 22,259.57 is: 30,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,162.90 : 55,423.38 = 22,259.57 : x
  2. Step 2: Convert to fraction form
    40,162.90/55,423.38 = 22,259.57/x
  3. Step 3: Cross multiply
    40,162.90x = 55,423.38 × 22,259.57
  4. Step 4: Simplify right side
    40,162.90x = 1,233,700,606.75
  5. Step 5: Solve for x
    x = 1,233,700,606.75/40,162.90
  6. Step 6: Final answer
    x = 30,717.42

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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.