Home / 51,013.49-70,396.97-28,351.85

Finding the Fourth Proportional to 51,013.49, 70,396.97 and 28,351.85

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Solution

The fourth proportional to 51,013.49, 70,396.97 and 28,351.85 is: 39,124.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,013.49 : 70,396.97 = 28,351.85 : x
  2. Step 2: Convert to fraction form
    51,013.49/70,396.97 = 28,351.85/x
  3. Step 3: Cross multiply
    51,013.49x = 70,396.97 × 28,351.85
  4. Step 4: Simplify right side
    51,013.49x = 1,995,883,840.15
  5. Step 5: Solve for x
    x = 1,995,883,840.15/51,013.49
  6. Step 6: Final answer
    x = 39,124.63

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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.