Home / 30,251.68-41,711.16-19,637.44

Finding the Fourth Proportional to 30,251.68, 41,711.16 and 19,637.44

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Solution

The fourth proportional to 30,251.68, 41,711.16 and 19,637.44 is: 27,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.68 : 41,711.16 = 19,637.44 : x
  2. Step 2: Convert to fraction form
    30,251.68/41,711.16 = 19,637.44/x
  3. Step 3: Cross multiply
    30,251.68x = 41,711.16 × 19,637.44
  4. Step 4: Simplify right side
    30,251.68x = 819,100,401.83
  5. Step 5: Solve for x
    x = 819,100,401.83/30,251.68
  6. Step 6: Final answer
    x = 27,076.20

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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.