Home / 29,125.20-43,720.20-18,044.40

Finding the Fourth Proportional to 29,125.20, 43,720.20 and 18,044.40

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Solution

The fourth proportional to 29,125.20, 43,720.20 and 18,044.40 is: 27,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,125.20 : 43,720.20 = 18,044.40 : x
  2. Step 2: Convert to fraction form
    29,125.20/43,720.20 = 18,044.40/x
  3. Step 3: Cross multiply
    29,125.20x = 43,720.20 × 18,044.40
  4. Step 4: Simplify right side
    29,125.20x = 788,904,776.88
  5. Step 5: Solve for x
    x = 788,904,776.88/29,125.20
  6. Step 6: Final answer
    x = 27,086.67

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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.