Home / 40,809.96-61,207.04-11,220.26

Finding the Fourth Proportional to 40,809.96, 61,207.04 and 11,220.26

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Solution

The fourth proportional to 40,809.96, 61,207.04 and 11,220.26 is: 16,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,809.96 : 61,207.04 = 11,220.26 : x
  2. Step 2: Convert to fraction form
    40,809.96/61,207.04 = 11,220.26/x
  3. Step 3: Cross multiply
    40,809.96x = 61,207.04 × 11,220.26
  4. Step 4: Simplify right side
    40,809.96x = 686,758,624.65
  5. Step 5: Solve for x
    x = 686,758,624.65/40,809.96
  6. Step 6: Final answer
    x = 16,828.21

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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.