Home / 51,175.76-70,621.48-28,514.66

Finding the Fourth Proportional to 51,175.76, 70,621.48 and 28,514.66

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Solution

The fourth proportional to 51,175.76, 70,621.48 and 28,514.66 is: 39,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,175.76 : 70,621.48 = 28,514.66 : x
  2. Step 2: Convert to fraction form
    51,175.76/70,621.48 = 28,514.66/x
  3. Step 3: Cross multiply
    51,175.76x = 70,621.48 × 28,514.66
  4. Step 4: Simplify right side
    51,175.76x = 2,013,747,490.90
  5. Step 5: Solve for x
    x = 2,013,747,490.90/51,175.76
  6. Step 6: Final answer
    x = 39,349.64

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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.