Home / 41,130.67-61,613.79-18,913.60

Finding the Fourth Proportional to 41,130.67, 61,613.79 and 18,913.60

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Solution

The fourth proportional to 41,130.67, 61,613.79 and 18,913.60 is: 28,332.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,130.67 : 61,613.79 = 18,913.60 : x
  2. Step 2: Convert to fraction form
    41,130.67/61,613.79 = 18,913.60/x
  3. Step 3: Cross multiply
    41,130.67x = 61,613.79 × 18,913.60
  4. Step 4: Simplify right side
    41,130.67x = 1,165,338,578.54
  5. Step 5: Solve for x
    x = 1,165,338,578.54/41,130.67
  6. Step 6: Final answer
    x = 28,332.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.