Home / 37,107.20-51,206.10-20,974.16

Finding the Fourth Proportional to 37,107.20, 51,206.10 and 20,974.16

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Solution

The fourth proportional to 37,107.20, 51,206.10 and 20,974.16 is: 28,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,107.20 : 51,206.10 = 20,974.16 : x
  2. Step 2: Convert to fraction form
    37,107.20/51,206.10 = 20,974.16/x
  3. Step 3: Cross multiply
    37,107.20x = 51,206.10 × 20,974.16
  4. Step 4: Simplify right side
    37,107.20x = 1,074,004,934.38
  5. Step 5: Solve for x
    x = 1,074,004,934.38/37,107.20
  6. Step 6: Final answer
    x = 28,943.30

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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.