Home / 43,724.91-65,554.04-13,721.85

Finding the Fourth Proportional to 43,724.91, 65,554.04 and 13,721.85

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Solution

The fourth proportional to 43,724.91, 65,554.04 and 13,721.85 is: 20,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,724.91 : 65,554.04 = 13,721.85 : x
  2. Step 2: Convert to fraction form
    43,724.91/65,554.04 = 13,721.85/x
  3. Step 3: Cross multiply
    43,724.91x = 65,554.04 × 13,721.85
  4. Step 4: Simplify right side
    43,724.91x = 899,522,389.34
  5. Step 5: Solve for x
    x = 899,522,389.34/43,724.91
  6. Step 6: Final answer
    x = 20,572.31

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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.