Home / 51,532.80-77,267.61-21,933.78

Finding the Fourth Proportional to 51,532.80, 77,267.61 and 21,933.78

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Solution

The fourth proportional to 51,532.80, 77,267.61 and 21,933.78 is: 32,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,532.80 : 77,267.61 = 21,933.78 : x
  2. Step 2: Convert to fraction form
    51,532.80/77,267.61 = 21,933.78/x
  3. Step 3: Cross multiply
    51,532.80x = 77,267.61 × 21,933.78
  4. Step 4: Simplify right side
    51,532.80x = 1,694,770,758.87
  5. Step 5: Solve for x
    x = 1,694,770,758.87/51,532.80
  6. Step 6: Final answer
    x = 32,887.22

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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.