Home / 81,735.32-122,602.82-22,570.83

Finding the Fourth Proportional to 81,735.32, 122,602.82 and 22,570.83

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Solution

The fourth proportional to 81,735.32, 122,602.82 and 22,570.83 is: 33,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,735.32 : 122,602.82 = 22,570.83 : x
  2. Step 2: Convert to fraction form
    81,735.32/122,602.82 = 22,570.83/x
  3. Step 3: Cross multiply
    81,735.32x = 122,602.82 × 22,570.83
  4. Step 4: Simplify right side
    81,735.32x = 2,767,247,464.17
  5. Step 5: Solve for x
    x = 2,767,247,464.17/81,735.32
  6. Step 6: Final answer
    x = 33,856.20

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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.