Home / 43,521.07-65,174.74-21,262.69

Finding the Fourth Proportional to 43,521.07, 65,174.74 and 21,262.69

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Solution

The fourth proportional to 43,521.07, 65,174.74 and 21,262.69 is: 31,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,521.07 : 65,174.74 = 21,262.69 : x
  2. Step 2: Convert to fraction form
    43,521.07/65,174.74 = 21,262.69/x
  3. Step 3: Cross multiply
    43,521.07x = 65,174.74 × 21,262.69
  4. Step 4: Simplify right side
    43,521.07x = 1,385,790,292.45
  5. Step 5: Solve for x
    x = 1,385,790,292.45/43,521.07
  6. Step 6: Final answer
    x = 31,841.82

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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.