Home / 43,080.72-64,620.49-15,000.24

Finding the Fourth Proportional to 43,080.72, 64,620.49 and 15,000.24

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Solution

The fourth proportional to 43,080.72, 64,620.49 and 15,000.24 is: 22,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,080.72 : 64,620.49 = 15,000.24 : x
  2. Step 2: Convert to fraction form
    43,080.72/64,620.49 = 15,000.24/x
  3. Step 3: Cross multiply
    43,080.72x = 64,620.49 × 15,000.24
  4. Step 4: Simplify right side
    43,080.72x = 969,322,858.92
  5. Step 5: Solve for x
    x = 969,322,858.92/43,080.72
  6. Step 6: Final answer
    x = 22,500.15

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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.