Home / 54,121.16-74,678.50-30,246.60

Finding the Fourth Proportional to 54,121.16, 74,678.50 and 30,246.60

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Solution

The fourth proportional to 54,121.16, 74,678.50 and 30,246.60 is: 41,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,121.16 : 74,678.50 = 30,246.60 : x
  2. Step 2: Convert to fraction form
    54,121.16/74,678.50 = 30,246.60/x
  3. Step 3: Cross multiply
    54,121.16x = 74,678.50 × 30,246.60
  4. Step 4: Simplify right side
    54,121.16x = 2,258,770,718.10
  5. Step 5: Solve for x
    x = 2,258,770,718.10/54,121.16
  6. Step 6: Final answer
    x = 41,735.45

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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.