Home / 66,544.74-99,819.33-21,564.83

Finding the Fourth Proportional to 66,544.74, 99,819.33 and 21,564.83

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Solution

The fourth proportional to 66,544.74, 99,819.33 and 21,564.83 is: 32,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,544.74 : 99,819.33 = 21,564.83 : x
  2. Step 2: Convert to fraction form
    66,544.74/99,819.33 = 21,564.83/x
  3. Step 3: Cross multiply
    66,544.74x = 99,819.33 × 21,564.83
  4. Step 4: Simplify right side
    66,544.74x = 2,152,586,383.07
  5. Step 5: Solve for x
    x = 2,152,586,383.07/66,544.74
  6. Step 6: Final answer
    x = 32,347.96

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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.