Home / 54,014.36-74,539.68-30,140.78

Finding the Fourth Proportional to 54,014.36, 74,539.68 and 30,140.78

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Solution

The fourth proportional to 54,014.36, 74,539.68 and 30,140.78 is: 41,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,014.36 : 74,539.68 = 30,140.78 : x
  2. Step 2: Convert to fraction form
    54,014.36/74,539.68 = 30,140.78/x
  3. Step 3: Cross multiply
    54,014.36x = 74,539.68 × 30,140.78
  4. Step 4: Simplify right side
    54,014.36x = 2,246,684,096.15
  5. Step 5: Solve for x
    x = 2,246,684,096.15/54,014.36
  6. Step 6: Final answer
    x = 41,594.20

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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.