Home / 51,175.39-70,621.09-28,513.89

Finding the Fourth Proportional to 51,175.39, 70,621.09 and 28,513.89

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Solution

The fourth proportional to 51,175.39, 70,621.09 and 28,513.89 is: 39,348.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,175.39 : 70,621.09 = 28,513.89 : x
  2. Step 2: Convert to fraction form
    51,175.39/70,621.09 = 28,513.89/x
  3. Step 3: Cross multiply
    51,175.39x = 70,621.09 × 28,513.89
  4. Step 4: Simplify right side
    51,175.39x = 2,013,681,926.37
  5. Step 5: Solve for x
    x = 2,013,681,926.37/51,175.39
  6. Step 6: Final answer
    x = 39,348.64

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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.