Home / 38,932.18-53,729.13-22,165.18

Finding the Fourth Proportional to 38,932.18, 53,729.13 and 22,165.18

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Solution

The fourth proportional to 38,932.18, 53,729.13 and 22,165.18 is: 30,589.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,932.18 : 53,729.13 = 22,165.18 : x
  2. Step 2: Convert to fraction form
    38,932.18/53,729.13 = 22,165.18/x
  3. Step 3: Cross multiply
    38,932.18x = 53,729.13 × 22,165.18
  4. Step 4: Simplify right side
    38,932.18x = 1,190,915,837.69
  5. Step 5: Solve for x
    x = 1,190,915,837.69/38,932.18
  6. Step 6: Final answer
    x = 30,589.50

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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.