Home / 40,319.23-55,642.43-22,414.53

Finding the Fourth Proportional to 40,319.23, 55,642.43 and 22,414.53

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Solution

The fourth proportional to 40,319.23, 55,642.43 and 22,414.53 is: 30,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.23 : 55,642.43 = 22,414.53 : x
  2. Step 2: Convert to fraction form
    40,319.23/55,642.43 = 22,414.53/x
  3. Step 3: Cross multiply
    40,319.23x = 55,642.43 × 22,414.53
  4. Step 4: Simplify right side
    40,319.23x = 1,247,199,035.09
  5. Step 5: Solve for x
    x = 1,247,199,035.09/40,319.23
  6. Step 6: Final answer
    x = 30,933.11

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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.