Home / 36,646.56-54,974.40-11,679.84

Finding the Fourth Proportional to 36,646.56, 54,974.40 and 11,679.84

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Solution

The fourth proportional to 36,646.56, 54,974.40 and 11,679.84 is: 17,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,646.56 : 54,974.40 = 11,679.84 : x
  2. Step 2: Convert to fraction form
    36,646.56/54,974.40 = 11,679.84/x
  3. Step 3: Cross multiply
    36,646.56x = 54,974.40 × 11,679.84
  4. Step 4: Simplify right side
    36,646.56x = 642,092,196.10
  5. Step 5: Solve for x
    x = 642,092,196.10/36,646.56
  6. Step 6: Final answer
    x = 17,521.21

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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.