Home / 40,019.89-55,225.96-22,114.53

Finding the Fourth Proportional to 40,019.89, 55,225.96 and 22,114.53

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Solution

The fourth proportional to 40,019.89, 55,225.96 and 22,114.53 is: 30,517.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,019.89 : 55,225.96 = 22,114.53 : x
  2. Step 2: Convert to fraction form
    40,019.89/55,225.96 = 22,114.53/x
  3. Step 3: Cross multiply
    40,019.89x = 55,225.96 × 22,114.53
  4. Step 4: Simplify right side
    40,019.89x = 1,221,296,149.20
  5. Step 5: Solve for x
    x = 1,221,296,149.20/40,019.89
  6. Step 6: Final answer
    x = 30,517.23

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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.