Home / 19,531.13-29,297.30-5,680.13

Finding the Fourth Proportional to 19,531.13, 29,297.30 and 5,680.13

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Solution

The fourth proportional to 19,531.13, 29,297.30 and 5,680.13 is: 8,520.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.13 : 29,297.30 = 5,680.13 : x
  2. Step 2: Convert to fraction form
    19,531.13/29,297.30 = 5,680.13/x
  3. Step 3: Cross multiply
    19,531.13x = 29,297.30 × 5,680.13
  4. Step 4: Simplify right side
    19,531.13x = 166,412,297.76
  5. Step 5: Solve for x
    x = 166,412,297.76/19,531.13
  6. Step 6: Final answer
    x = 8,520.36

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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.