Home / 42,556.62-63,799.19-18,522.97

Finding the Fourth Proportional to 42,556.62, 63,799.19 and 18,522.97

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Solution

The fourth proportional to 42,556.62, 63,799.19 and 18,522.97 is: 27,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,556.62 : 63,799.19 = 18,522.97 : x
  2. Step 2: Convert to fraction form
    42,556.62/63,799.19 = 18,522.97/x
  3. Step 3: Cross multiply
    42,556.62x = 63,799.19 × 18,522.97
  4. Step 4: Simplify right side
    42,556.62x = 1,181,750,070.78
  5. Step 5: Solve for x
    x = 1,181,750,070.78/42,556.62
  6. Step 6: Final answer
    x = 27,768.89

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1.5x scale

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.