Home / 51,872.20-77,808.30-25,628.20

Finding the Fourth Proportional to 51,872.20, 77,808.30 and 25,628.20

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Solution

The fourth proportional to 51,872.20, 77,808.30 and 25,628.20 is: 38,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,872.20 : 77,808.30 = 25,628.20 : x
  2. Step 2: Convert to fraction form
    51,872.20/77,808.30 = 25,628.20/x
  3. Step 3: Cross multiply
    51,872.20x = 77,808.30 × 25,628.20
  4. Step 4: Simplify right side
    51,872.20x = 1,994,086,674.06
  5. Step 5: Solve for x
    x = 1,994,086,674.06/51,872.20
  6. Step 6: Final answer
    x = 38,442.30

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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.