Home / 81,526.32-122,232.20-35,912.38

Finding the Fourth Proportional to 81,526.32, 122,232.20 and 35,912.38

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Solution

The fourth proportional to 81,526.32, 122,232.20 and 35,912.38 is: 53,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,526.32 : 122,232.20 = 35,912.38 : x
  2. Step 2: Convert to fraction form
    81,526.32/122,232.20 = 35,912.38/x
  3. Step 3: Cross multiply
    81,526.32x = 122,232.20 × 35,912.38
  4. Step 4: Simplify right side
    81,526.32x = 4,389,649,241.76
  5. Step 5: Solve for x
    x = 4,389,649,241.76/81,526.32
  6. Step 6: Final answer
    x = 53,843.34

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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.