Home / 51,153.80-76,759.98-27,782.28

Finding the Fourth Proportional to 51,153.80, 76,759.98 and 27,782.28

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Solution

The fourth proportional to 51,153.80, 76,759.98 and 27,782.28 is: 41,689.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,153.80 : 76,759.98 = 27,782.28 : x
  2. Step 2: Convert to fraction form
    51,153.80/76,759.98 = 27,782.28/x
  3. Step 3: Cross multiply
    51,153.80x = 76,759.98 × 27,782.28
  4. Step 4: Simplify right side
    51,153.80x = 2,132,567,257.15
  5. Step 5: Solve for x
    x = 2,132,567,257.15/51,153.80
  6. Step 6: Final answer
    x = 41,689.32

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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.