Home / 40,181.48-55,451.75-22,278.15

Finding the Fourth Proportional to 40,181.48, 55,451.75 and 22,278.15

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Solution

The fourth proportional to 40,181.48, 55,451.75 and 22,278.15 is: 30,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,181.48 : 55,451.75 = 22,278.15 : x
  2. Step 2: Convert to fraction form
    40,181.48/55,451.75 = 22,278.15/x
  3. Step 3: Cross multiply
    40,181.48x = 55,451.75 × 22,278.15
  4. Step 4: Simplify right side
    40,181.48x = 1,235,362,292.87
  5. Step 5: Solve for x
    x = 1,235,362,292.87/40,181.48
  6. Step 6: Final answer
    x = 30,744.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.