Home / 51,565.68-77,353.92-21,986.64

Finding the Fourth Proportional to 51,565.68, 77,353.92 and 21,986.64

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Solution

The fourth proportional to 51,565.68, 77,353.92 and 21,986.64 is: 32,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,565.68 : 77,353.92 = 21,986.64 : x
  2. Step 2: Convert to fraction form
    51,565.68/77,353.92 = 21,986.64/x
  3. Step 3: Cross multiply
    51,565.68x = 77,353.92 × 21,986.64
  4. Step 4: Simplify right side
    51,565.68x = 1,700,752,791.63
  5. Step 5: Solve for x
    x = 1,700,752,791.63/51,565.68
  6. Step 6: Final answer
    x = 32,982.26

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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.