Home / 38,107.72-57,152.35-15,909.04

Finding the Fourth Proportional to 38,107.72, 57,152.35 and 15,909.04

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Solution

The fourth proportional to 38,107.72, 57,152.35 and 15,909.04 is: 23,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,107.72 : 57,152.35 = 15,909.04 : x
  2. Step 2: Convert to fraction form
    38,107.72/57,152.35 = 15,909.04/x
  3. Step 3: Cross multiply
    38,107.72x = 57,152.35 × 15,909.04
  4. Step 4: Simplify right side
    38,107.72x = 909,239,022.24
  5. Step 5: Solve for x
    x = 909,239,022.24/38,107.72
  6. Step 6: Final answer
    x = 23,859.71

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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.