Home / 29,642.22-40,921.20-22,912.65

Finding the Fourth Proportional to 29,642.22, 40,921.20 and 22,912.65

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Solution

The fourth proportional to 29,642.22, 40,921.20 and 22,912.65 is: 31,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,642.22 : 40,921.20 = 22,912.65 : x
  2. Step 2: Convert to fraction form
    29,642.22/40,921.20 = 22,912.65/x
  3. Step 3: Cross multiply
    29,642.22x = 40,921.20 × 22,912.65
  4. Step 4: Simplify right side
    29,642.22x = 937,613,133.18
  5. Step 5: Solve for x
    x = 937,613,133.18/29,642.22
  6. Step 6: Final answer
    x = 31,631.00

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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.