Home / 40,199.28-55,477.08-30,246

Finding the Fourth Proportional to 40,199.28, 55,477.08 and 30,246

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Solution

The fourth proportional to 40,199.28, 55,477.08 and 30,246 is: 41,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,199.28 : 55,477.08 = 30,246 : x
  2. Step 2: Convert to fraction form
    40,199.28/55,477.08 = 30,246/x
  3. Step 3: Cross multiply
    40,199.28x = 55,477.08 × 30,246
  4. Step 4: Simplify right side
    40,199.28x = 1,677,959,761.68
  5. Step 5: Solve for x
    x = 1,677,959,761.68/40,199.28
  6. Step 6: Final answer
    x = 41,741.04

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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.