Home / 51,833.84-77,751.96-18,556.20

Finding the Fourth Proportional to 51,833.84, 77,751.96 and 18,556.20

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Solution

The fourth proportional to 51,833.84, 77,751.96 and 18,556.20 is: 27,834.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,833.84 : 77,751.96 = 18,556.20 : x
  2. Step 2: Convert to fraction form
    51,833.84/77,751.96 = 18,556.20/x
  3. Step 3: Cross multiply
    51,833.84x = 77,751.96 × 18,556.20
  4. Step 4: Simplify right side
    51,833.84x = 1,442,780,920.15
  5. Step 5: Solve for x
    x = 1,442,780,920.15/51,833.84
  6. Step 6: Final answer
    x = 27,834.73

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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.