Home / 51,182.56-70,630.78-28,521.44

Finding the Fourth Proportional to 51,182.56, 70,630.78 and 28,521.44

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Solution

The fourth proportional to 51,182.56, 70,630.78 and 28,521.44 is: 39,358.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,182.56 : 70,630.78 = 28,521.44 : x
  2. Step 2: Convert to fraction form
    51,182.56/70,630.78 = 28,521.44/x
  3. Step 3: Cross multiply
    51,182.56x = 70,630.78 × 28,521.44
  4. Step 4: Simplify right side
    51,182.56x = 2,014,491,553.92
  5. Step 5: Solve for x
    x = 2,014,491,553.92/51,182.56
  6. Step 6: Final answer
    x = 39,358.94

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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.