Home / 37,080.10-55,619.66-9,000.38

Finding the Fourth Proportional to 37,080.10, 55,619.66 and 9,000.38

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Solution

The fourth proportional to 37,080.10, 55,619.66 and 9,000.38 is: 13,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,080.10 : 55,619.66 = 9,000.38 : x
  2. Step 2: Convert to fraction form
    37,080.10/55,619.66 = 9,000.38/x
  3. Step 3: Cross multiply
    37,080.10x = 55,619.66 × 9,000.38
  4. Step 4: Simplify right side
    37,080.10x = 500,597,819.87
  5. Step 5: Solve for x
    x = 500,597,819.87/37,080.10
  6. Step 6: Final answer
    x = 13,500.45

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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.