Home / 37,613.69-51,906.54-20,618.88

Finding the Fourth Proportional to 37,613.69, 51,906.54 and 20,618.88

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Solution

The fourth proportional to 37,613.69, 51,906.54 and 20,618.88 is: 28,453.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,613.69 : 51,906.54 = 20,618.88 : x
  2. Step 2: Convert to fraction form
    37,613.69/51,906.54 = 20,618.88/x
  3. Step 3: Cross multiply
    37,613.69x = 51,906.54 × 20,618.88
  4. Step 4: Simplify right side
    37,613.69x = 1,070,254,719.48
  5. Step 5: Solve for x
    x = 1,070,254,719.48/37,613.69
  6. Step 6: Final answer
    x = 28,453.86

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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.