Home / 38,119.05-57,102.03-21,454.11

Finding the Fourth Proportional to 38,119.05, 57,102.03 and 21,454.11

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Solution

The fourth proportional to 38,119.05, 57,102.03 and 21,454.11 is: 32,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,119.05 : 57,102.03 = 21,454.11 : x
  2. Step 2: Convert to fraction form
    38,119.05/57,102.03 = 21,454.11/x
  3. Step 3: Cross multiply
    38,119.05x = 57,102.03 × 21,454.11
  4. Step 4: Simplify right side
    38,119.05x = 1,225,073,232.84
  5. Step 5: Solve for x
    x = 1,225,073,232.84/38,119.05
  6. Step 6: Final answer
    x = 32,138.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.