Home / 40,464.23-55,837.78-22,560.21

Finding the Fourth Proportional to 40,464.23, 55,837.78 and 22,560.21

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Solution

The fourth proportional to 40,464.23, 55,837.78 and 22,560.21 is: 31,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,464.23 : 55,837.78 = 22,560.21 : x
  2. Step 2: Convert to fraction form
    40,464.23/55,837.78 = 22,560.21/x
  3. Step 3: Cross multiply
    40,464.23x = 55,837.78 × 22,560.21
  4. Step 4: Simplify right side
    40,464.23x = 1,259,711,986.33
  5. Step 5: Solve for x
    x = 1,259,711,986.33/40,464.23
  6. Step 6: Final answer
    x = 31,131.50

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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.