Home / 29,148.56-43,720.28-15,107.92

Finding the Fourth Proportional to 29,148.56, 43,720.28 and 15,107.92

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Solution

The fourth proportional to 29,148.56, 43,720.28 and 15,107.92 is: 22,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148.56 : 43,720.28 = 15,107.92 : x
  2. Step 2: Convert to fraction form
    29,148.56/43,720.28 = 15,107.92/x
  3. Step 3: Cross multiply
    29,148.56x = 43,720.28 × 15,107.92
  4. Step 4: Simplify right side
    29,148.56x = 660,522,492.62
  5. Step 5: Solve for x
    x = 660,522,492.62/29,148.56
  6. Step 6: Final answer
    x = 22,660.55

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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.