Home / 81,552.84-122,278.96-28,232.42

Finding the Fourth Proportional to 81,552.84, 122,278.96 and 28,232.42

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Solution

The fourth proportional to 81,552.84, 122,278.96 and 28,232.42 is: 42,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,552.84 : 122,278.96 = 28,232.42 : x
  2. Step 2: Convert to fraction form
    81,552.84/122,278.96 = 28,232.42/x
  3. Step 3: Cross multiply
    81,552.84x = 122,278.96 × 28,232.42
  4. Step 4: Simplify right side
    81,552.84x = 3,452,230,955.88
  5. Step 5: Solve for x
    x = 3,452,230,955.88/81,552.84
  6. Step 6: Final answer
    x = 42,331.22

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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.