Home / 29,990.12-41,391.42-17,422.16

Finding the Fourth Proportional to 29,990.12, 41,391.42 and 17,422.16

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Solution

The fourth proportional to 29,990.12, 41,391.42 and 17,422.16 is: 24,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,990.12 : 41,391.42 = 17,422.16 : x
  2. Step 2: Convert to fraction form
    29,990.12/41,391.42 = 17,422.16/x
  3. Step 3: Cross multiply
    29,990.12x = 41,391.42 × 17,422.16
  4. Step 4: Simplify right side
    29,990.12x = 721,127,941.87
  5. Step 5: Solve for x
    x = 721,127,941.87/29,990.12
  6. Step 6: Final answer
    x = 24,045.52

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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.