Home / 30,016.87-45,011.17-17,540.49

Finding the Fourth Proportional to 30,016.87, 45,011.17 and 17,540.49

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Solution

The fourth proportional to 30,016.87, 45,011.17 and 17,540.49 is: 26,302.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,016.87 : 45,011.17 = 17,540.49 : x
  2. Step 2: Convert to fraction form
    30,016.87/45,011.17 = 17,540.49/x
  3. Step 3: Cross multiply
    30,016.87x = 45,011.17 × 17,540.49
  4. Step 4: Simplify right side
    30,016.87x = 789,518,167.99
  5. Step 5: Solve for x
    x = 789,518,167.99/30,016.87
  6. Step 6: Final answer
    x = 26,302.48

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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.