Home / 51,976.20-77,964.30-25,732.20

Finding the Fourth Proportional to 51,976.20, 77,964.30 and 25,732.20

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Solution

The fourth proportional to 51,976.20, 77,964.30 and 25,732.20 is: 38,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976.20 : 77,964.30 = 25,732.20 : x
  2. Step 2: Convert to fraction form
    51,976.20/77,964.30 = 25,732.20/x
  3. Step 3: Cross multiply
    51,976.20x = 77,964.30 × 25,732.20
  4. Step 4: Simplify right side
    51,976.20x = 2,006,192,960.46
  5. Step 5: Solve for x
    x = 2,006,192,960.46/51,976.20
  6. Step 6: Final answer
    x = 38,598.30

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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.