Home / 37,203.12-51,340.68-20,207.70

Finding the Fourth Proportional to 37,203.12, 51,340.68 and 20,207.70

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Solution

The fourth proportional to 37,203.12, 51,340.68 and 20,207.70 is: 27,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,203.12 : 51,340.68 = 20,207.70 : x
  2. Step 2: Convert to fraction form
    37,203.12/51,340.68 = 20,207.70/x
  3. Step 3: Cross multiply
    37,203.12x = 51,340.68 × 20,207.70
  4. Step 4: Simplify right side
    37,203.12x = 1,037,477,059.24
  5. Step 5: Solve for x
    x = 1,037,477,059.24/37,203.12
  6. Step 6: Final answer
    x = 27,886.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.