Home / 51,176.35-70,621.05-28,517.82

Finding the Fourth Proportional to 51,176.35, 70,621.05 and 28,517.82

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Solution

The fourth proportional to 51,176.35, 70,621.05 and 28,517.82 is: 39,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.35 : 70,621.05 = 28,517.82 : x
  2. Step 2: Convert to fraction form
    51,176.35/70,621.05 = 28,517.82/x
  3. Step 3: Cross multiply
    51,176.35x = 70,621.05 × 28,517.82
  4. Step 4: Simplify right side
    51,176.35x = 2,013,958,392.11
  5. Step 5: Solve for x
    x = 2,013,958,392.11/51,176.35
  6. Step 6: Final answer
    x = 39,353.30

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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.