Home / 51,175.96-70,620.80-28,514.36

Finding the Fourth Proportional to 51,175.96, 70,620.80 and 28,514.36

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Solution

The fourth proportional to 51,175.96, 70,620.80 and 28,514.36 is: 39,348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,175.96 : 70,620.80 = 28,514.36 : x
  2. Step 2: Convert to fraction form
    51,175.96/70,620.80 = 28,514.36/x
  3. Step 3: Cross multiply
    51,175.96x = 70,620.80 × 28,514.36
  4. Step 4: Simplify right side
    51,175.96x = 2,013,706,914.69
  5. Step 5: Solve for x
    x = 2,013,706,914.69/51,175.96
  6. Step 6: Final answer
    x = 39,348.69

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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.