Home / 20,231.84-30,301.14-19,531.38

Finding the Fourth Proportional to 20,231.84, 30,301.14 and 19,531.38

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Solution

The fourth proportional to 20,231.84, 30,301.14 and 19,531.38 is: 29,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231.84 : 30,301.14 = 19,531.38 : x
  2. Step 2: Convert to fraction form
    20,231.84/30,301.14 = 19,531.38/x
  3. Step 3: Cross multiply
    20,231.84x = 30,301.14 × 19,531.38
  4. Step 4: Simplify right side
    20,231.84x = 591,823,079.77
  5. Step 5: Solve for x
    x = 591,823,079.77/20,231.84
  6. Step 6: Final answer
    x = 29,252.06

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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.