Home / 30,517.29-45,799.36-13,655.52

Finding the Fourth Proportional to 30,517.29, 45,799.36 and 13,655.52

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Solution

The fourth proportional to 30,517.29, 45,799.36 and 13,655.52 is: 20,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,517.29 : 45,799.36 = 13,655.52 : x
  2. Step 2: Convert to fraction form
    30,517.29/45,799.36 = 13,655.52/x
  3. Step 3: Cross multiply
    30,517.29x = 45,799.36 × 13,655.52
  4. Step 4: Simplify right side
    30,517.29x = 625,414,042.33
  5. Step 5: Solve for x
    x = 625,414,042.33/30,517.29
  6. Step 6: Final answer
    x = 20,493.76

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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.