Home / 38,522.40-57,783.82-11,868.04

Finding the Fourth Proportional to 38,522.40, 57,783.82 and 11,868.04

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Solution

The fourth proportional to 38,522.40, 57,783.82 and 11,868.04 is: 17,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,522.40 : 57,783.82 = 11,868.04 : x
  2. Step 2: Convert to fraction form
    38,522.40/57,783.82 = 11,868.04/x
  3. Step 3: Cross multiply
    38,522.40x = 57,783.82 × 11,868.04
  4. Step 4: Simplify right side
    38,522.40x = 685,780,687.11
  5. Step 5: Solve for x
    x = 685,780,687.11/38,522.40
  6. Step 6: Final answer
    x = 17,802.13

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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.