Home / 33,493.71-46,221.90-18,387.78

Finding the Fourth Proportional to 33,493.71, 46,221.90 and 18,387.78

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Solution

The fourth proportional to 33,493.71, 46,221.90 and 18,387.78 is: 25,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,493.71 : 46,221.90 = 18,387.78 : x
  2. Step 2: Convert to fraction form
    33,493.71/46,221.90 = 18,387.78/x
  3. Step 3: Cross multiply
    33,493.71x = 46,221.90 × 18,387.78
  4. Step 4: Simplify right side
    33,493.71x = 849,918,128.38
  5. Step 5: Solve for x
    x = 849,918,128.38/33,493.71
  6. Step 6: Final answer
    x = 25,375.45

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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.