Home / 66,463.25-99,707.45-21,496.68

Finding the Fourth Proportional to 66,463.25, 99,707.45 and 21,496.68

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Solution

The fourth proportional to 66,463.25, 99,707.45 and 21,496.68 is: 32,249.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,463.25 : 99,707.45 = 21,496.68 : x
  2. Step 2: Convert to fraction form
    66,463.25/99,707.45 = 21,496.68/x
  3. Step 3: Cross multiply
    66,463.25x = 99,707.45 × 21,496.68
  4. Step 4: Simplify right side
    66,463.25x = 2,143,379,038.78
  5. Step 5: Solve for x
    x = 2,143,379,038.78/66,463.25
  6. Step 6: Final answer
    x = 32,249.09

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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.