Home / 77,001.75-115,548.71-33,225.75

Finding the Fourth Proportional to 77,001.75, 115,548.71 and 33,225.75

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Solution

The fourth proportional to 77,001.75, 115,548.71 and 33,225.75 is: 49,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,001.75 : 115,548.71 = 33,225.75 : x
  2. Step 2: Convert to fraction form
    77,001.75/115,548.71 = 33,225.75/x
  3. Step 3: Cross multiply
    77,001.75x = 115,548.71 × 33,225.75
  4. Step 4: Simplify right side
    77,001.75x = 3,839,192,385.15
  5. Step 5: Solve for x
    x = 3,839,192,385.15/77,001.75
  6. Step 6: Final answer
    x = 49,858.51

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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.