Home / 54,511.20-81,831.60-30,837.60

Finding the Fourth Proportional to 54,511.20, 81,831.60 and 30,837.60

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Solution

The fourth proportional to 54,511.20, 81,831.60 and 30,837.60 is: 46,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,511.20 : 81,831.60 = 30,837.60 : x
  2. Step 2: Convert to fraction form
    54,511.20/81,831.60 = 30,837.60/x
  3. Step 3: Cross multiply
    54,511.20x = 81,831.60 × 30,837.60
  4. Step 4: Simplify right side
    54,511.20x = 2,523,490,148.16
  5. Step 5: Solve for x
    x = 2,523,490,148.16/54,511.20
  6. Step 6: Final answer
    x = 46,293.06

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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.