Home / 38,882.10-53,657.19-22,115.10

Finding the Fourth Proportional to 38,882.10, 53,657.19 and 22,115.10

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Solution

The fourth proportional to 38,882.10, 53,657.19 and 22,115.10 is: 30,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,882.10 : 53,657.19 = 22,115.10 : x
  2. Step 2: Convert to fraction form
    38,882.10/53,657.19 = 22,115.10/x
  3. Step 3: Cross multiply
    38,882.10x = 53,657.19 × 22,115.10
  4. Step 4: Simplify right side
    38,882.10x = 1,186,634,122.57
  5. Step 5: Solve for x
    x = 1,186,634,122.57/38,882.10
  6. Step 6: Final answer
    x = 30,518.78

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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.