Home / 37,107.20-51,207.18-20,340.20

Finding the Fourth Proportional to 37,107.20, 51,207.18 and 20,340.20

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Solution

The fourth proportional to 37,107.20, 51,207.18 and 20,340.20 is: 28,069.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,107.20 : 51,207.18 = 20,340.20 : x
  2. Step 2: Convert to fraction form
    37,107.20/51,207.18 = 20,340.20/x
  3. Step 3: Cross multiply
    37,107.20x = 51,207.18 × 20,340.20
  4. Step 4: Simplify right side
    37,107.20x = 1,041,564,282.64
  5. Step 5: Solve for x
    x = 1,041,564,282.64/37,107.20
  6. Step 6: Final answer
    x = 28,069.06

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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.