Home / 30,233.20-41,693.92-18,899.08

Finding the Fourth Proportional to 30,233.20, 41,693.92 and 18,899.08

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Solution

The fourth proportional to 30,233.20, 41,693.92 and 18,899.08 is: 26,063.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233.20 : 41,693.92 = 18,899.08 : x
  2. Step 2: Convert to fraction form
    30,233.20/41,693.92 = 18,899.08/x
  3. Step 3: Cross multiply
    30,233.20x = 41,693.92 × 18,899.08
  4. Step 4: Simplify right side
    30,233.20x = 787,976,729.59
  5. Step 5: Solve for x
    x = 787,976,729.59/30,233.20
  6. Step 6: Final answer
    x = 26,063.29

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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.