Home / 66,609.65-99,877.42-22,212.18

Finding the Fourth Proportional to 66,609.65, 99,877.42 and 22,212.18

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Solution

The fourth proportional to 66,609.65, 99,877.42 and 22,212.18 is: 33,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,609.65 : 99,877.42 = 22,212.18 : x
  2. Step 2: Convert to fraction form
    66,609.65/99,877.42 = 22,212.18/x
  3. Step 3: Cross multiply
    66,609.65x = 99,877.42 × 22,212.18
  4. Step 4: Simplify right side
    66,609.65x = 2,218,495,175.45
  5. Step 5: Solve for x
    x = 2,218,495,175.45/66,609.65
  6. Step 6: Final answer
    x = 33,305.91

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1.5x scale

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.