Home / 40,465.23-55,839.16-22,561.21

Finding the Fourth Proportional to 40,465.23, 55,839.16 and 22,561.21

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Solution

The fourth proportional to 40,465.23, 55,839.16 and 22,561.21 is: 31,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465.23 : 55,839.16 = 22,561.21 : x
  2. Step 2: Convert to fraction form
    40,465.23/55,839.16 = 22,561.21/x
  3. Step 3: Cross multiply
    40,465.23x = 55,839.16 × 22,561.21
  4. Step 4: Simplify right side
    40,465.23x = 1,259,799,014.98
  5. Step 5: Solve for x
    x = 1,259,799,014.98/40,465.23
  6. Step 6: Final answer
    x = 31,132.88

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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.