Home / 49,781.21-74,634.21-30,055.05

Finding the Fourth Proportional to 49,781.21, 74,634.21 and 30,055.05

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Solution

The fourth proportional to 49,781.21, 74,634.21 and 30,055.05 is: 45,059.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,781.21 : 74,634.21 = 30,055.05 : x
  2. Step 2: Convert to fraction form
    49,781.21/74,634.21 = 30,055.05/x
  3. Step 3: Cross multiply
    49,781.21x = 74,634.21 × 30,055.05
  4. Step 4: Simplify right side
    49,781.21x = 2,243,134,913.26
  5. Step 5: Solve for x
    x = 2,243,134,913.26/49,781.21
  6. Step 6: Final answer
    x = 45,059.88

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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.