Home / 42,799.88-64,199.82-11,635.13

Finding the Fourth Proportional to 42,799.88, 64,199.82 and 11,635.13

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Solution

The fourth proportional to 42,799.88, 64,199.82 and 11,635.13 is: 17,452.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,799.88 : 64,199.82 = 11,635.13 : x
  2. Step 2: Convert to fraction form
    42,799.88/64,199.82 = 11,635.13/x
  3. Step 3: Cross multiply
    42,799.88x = 64,199.82 × 11,635.13
  4. Step 4: Simplify right side
    42,799.88x = 746,972,930.68
  5. Step 5: Solve for x
    x = 746,972,930.68/42,799.88
  6. Step 6: Final answer
    x = 17,452.69

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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.