Home / 81,799.37-122,701.78-22,630.08

Finding the Fourth Proportional to 81,799.37, 122,701.78 and 22,630.08

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Solution

The fourth proportional to 81,799.37, 122,701.78 and 22,630.08 is: 33,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,799.37 : 122,701.78 = 22,630.08 : x
  2. Step 2: Convert to fraction form
    81,799.37/122,701.78 = 22,630.08/x
  3. Step 3: Cross multiply
    81,799.37x = 122,701.78 × 22,630.08
  4. Step 4: Simplify right side
    81,799.37x = 2,776,750,984.39
  5. Step 5: Solve for x
    x = 2,776,750,984.39/81,799.37
  6. Step 6: Final answer
    x = 33,945.87

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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.