Home / 40,181.70-55,449.90-22,276.56

Finding the Fourth Proportional to 40,181.70, 55,449.90 and 22,276.56

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Solution

The fourth proportional to 40,181.70, 55,449.90 and 22,276.56 is: 30,741.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,181.70 : 55,449.90 = 22,276.56 : x
  2. Step 2: Convert to fraction form
    40,181.70/55,449.90 = 22,276.56/x
  3. Step 3: Cross multiply
    40,181.70x = 55,449.90 × 22,276.56
  4. Step 4: Simplify right side
    40,181.70x = 1,235,233,024.34
  5. Step 5: Solve for x
    x = 1,235,233,024.34/40,181.70
  6. Step 6: Final answer
    x = 30,741.18

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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.