Home / 51,251.10-70,726.60-28,591.56

Finding the Fourth Proportional to 51,251.10, 70,726.60 and 28,591.56

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Solution

The fourth proportional to 51,251.10, 70,726.60 and 28,591.56 is: 39,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,251.10 : 70,726.60 = 28,591.56 : x
  2. Step 2: Convert to fraction form
    51,251.10/70,726.60 = 28,591.56/x
  3. Step 3: Cross multiply
    51,251.10x = 70,726.60 × 28,591.56
  4. Step 4: Simplify right side
    51,251.10x = 2,022,183,827.50
  5. Step 5: Solve for x
    x = 2,022,183,827.50/51,251.10
  6. Step 6: Final answer
    x = 39,456.40

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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.