Home / 54,657.42-75,428.21-30,784.95

Finding the Fourth Proportional to 54,657.42, 75,428.21 and 30,784.95

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Solution

The fourth proportional to 54,657.42, 75,428.21 and 30,784.95 is: 42,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,657.42 : 75,428.21 = 30,784.95 : x
  2. Step 2: Convert to fraction form
    54,657.42/75,428.21 = 30,784.95/x
  3. Step 3: Cross multiply
    54,657.42x = 75,428.21 × 30,784.95
  4. Step 4: Simplify right side
    54,657.42x = 2,322,053,673.44
  5. Step 5: Solve for x
    x = 2,322,053,673.44/54,657.42
  6. Step 6: Final answer
    x = 42,483.78

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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.