Home / 38,506.23-57,761.40-12,213.02

Finding the Fourth Proportional to 38,506.23, 57,761.40 and 12,213.02

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Solution

The fourth proportional to 38,506.23, 57,761.40 and 12,213.02 is: 18,320.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,506.23 : 57,761.40 = 12,213.02 : x
  2. Step 2: Convert to fraction form
    38,506.23/57,761.40 = 12,213.02/x
  3. Step 3: Cross multiply
    38,506.23x = 57,761.40 × 12,213.02
  4. Step 4: Simplify right side
    38,506.23x = 705,440,844.62
  5. Step 5: Solve for x
    x = 705,440,844.62/38,506.23
  6. Step 6: Final answer
    x = 18,320.17

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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.