Home / 55,625.12-76,763.12-31,751.52

Finding the Fourth Proportional to 55,625.12, 76,763.12 and 31,751.52

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Solution

The fourth proportional to 55,625.12, 76,763.12 and 31,751.52 is: 43,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.12 : 76,763.12 = 31,751.52 : x
  2. Step 2: Convert to fraction form
    55,625.12/76,763.12 = 31,751.52/x
  3. Step 3: Cross multiply
    55,625.12x = 76,763.12 × 31,751.52
  4. Step 4: Simplify right side
    55,625.12x = 2,437,345,739.94
  5. Step 5: Solve for x
    x = 2,437,345,739.94/55,625.12
  6. Step 6: Final answer
    x = 43,817.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.