Home / 51,227.52-70,695.36-28,876.80

Finding the Fourth Proportional to 51,227.52, 70,695.36 and 28,876.80

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Solution

The fourth proportional to 51,227.52, 70,695.36 and 28,876.80 is: 39,850.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,227.52 : 70,695.36 = 28,876.80 : x
  2. Step 2: Convert to fraction form
    51,227.52/70,695.36 = 28,876.80/x
  3. Step 3: Cross multiply
    51,227.52x = 70,695.36 × 28,876.80
  4. Step 4: Simplify right side
    51,227.52x = 2,041,455,771.65
  5. Step 5: Solve for x
    x = 2,041,455,771.65/51,227.52
  6. Step 6: Final answer
    x = 39,850.76

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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.