Home / 51,049.50-70,448.22-28,387.86

Finding the Fourth Proportional to 51,049.50, 70,448.22 and 28,387.86

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Solution

The fourth proportional to 51,049.50, 70,448.22 and 28,387.86 is: 39,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,049.50 : 70,448.22 = 28,387.86 : x
  2. Step 2: Convert to fraction form
    51,049.50/70,448.22 = 28,387.86/x
  3. Step 3: Cross multiply
    51,049.50x = 70,448.22 × 28,387.86
  4. Step 4: Simplify right side
    51,049.50x = 1,999,874,206.61
  5. Step 5: Solve for x
    x = 1,999,874,206.61/51,049.50
  6. Step 6: Final answer
    x = 39,175.20

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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.