Home / 51,454.37-71,007.30-28,793.40

Finding the Fourth Proportional to 51,454.37, 71,007.30 and 28,793.40

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Solution

The fourth proportional to 51,454.37, 71,007.30 and 28,793.40 is: 39,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,454.37 : 71,007.30 = 28,793.40 : x
  2. Step 2: Convert to fraction form
    51,454.37/71,007.30 = 28,793.40/x
  3. Step 3: Cross multiply
    51,454.37x = 71,007.30 × 28,793.40
  4. Step 4: Simplify right side
    51,454.37x = 2,044,541,591.82
  5. Step 5: Solve for x
    x = 2,044,541,591.82/51,454.37
  6. Step 6: Final answer
    x = 39,735.05

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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.