Home / 54,099.90-74,661.48-30,229.92

Finding the Fourth Proportional to 54,099.90, 74,661.48 and 30,229.92

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Solution

The fourth proportional to 54,099.90, 74,661.48 and 30,229.92 is: 41,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,099.90 : 74,661.48 = 30,229.92 : x
  2. Step 2: Convert to fraction form
    54,099.90/74,661.48 = 30,229.92/x
  3. Step 3: Cross multiply
    54,099.90x = 74,661.48 × 30,229.92
  4. Step 4: Simplify right side
    54,099.90x = 2,257,010,567.48
  5. Step 5: Solve for x
    x = 2,257,010,567.48/54,099.90
  6. Step 6: Final answer
    x = 41,719.31

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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.