Home / 51,175.89-70,621.78-28,514.39

Finding the Fourth Proportional to 51,175.89, 70,621.78 and 28,514.39

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Solution

The fourth proportional to 51,175.89, 70,621.78 and 28,514.39 is: 39,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,175.89 : 70,621.78 = 28,514.39 : x
  2. Step 2: Convert to fraction form
    51,175.89/70,621.78 = 28,514.39/x
  3. Step 3: Cross multiply
    51,175.89x = 70,621.78 × 28,514.39
  4. Step 4: Simplify right side
    51,175.89x = 2,013,736,977.41
  5. Step 5: Solve for x
    x = 2,013,736,977.41/51,175.89
  6. Step 6: Final answer
    x = 39,349.33

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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.