Home / 40,181.81-55,449.68-22,275.77

Finding the Fourth Proportional to 40,181.81, 55,449.68 and 22,275.77

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Solution

The fourth proportional to 40,181.81, 55,449.68 and 22,275.77 is: 30,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,181.81 : 55,449.68 = 22,275.77 : x
  2. Step 2: Convert to fraction form
    40,181.81/55,449.68 = 22,275.77/x
  3. Step 3: Cross multiply
    40,181.81x = 55,449.68 × 22,275.77
  4. Step 4: Simplify right side
    40,181.81x = 1,235,183,929.63
  5. Step 5: Solve for x
    x = 1,235,183,929.63/40,181.81
  6. Step 6: Final answer
    x = 30,739.88

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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.