Home / 51,358.56-70,878.11-28,697.62

Finding the Fourth Proportional to 51,358.56, 70,878.11 and 28,697.62

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Solution

The fourth proportional to 51,358.56, 70,878.11 and 28,697.62 is: 39,604.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,358.56 : 70,878.11 = 28,697.62 : x
  2. Step 2: Convert to fraction form
    51,358.56/70,878.11 = 28,697.62/x
  3. Step 3: Cross multiply
    51,358.56x = 70,878.11 × 28,697.62
  4. Step 4: Simplify right side
    51,358.56x = 2,034,033,067.10
  5. Step 5: Solve for x
    x = 2,034,033,067.10/51,358.56
  6. Step 6: Final answer
    x = 39,604.56

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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.