Home / 54,165-74,747.07-30,291.45

Finding the Fourth Proportional to 54,165, 74,747.07 and 30,291.45

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Solution

The fourth proportional to 54,165, 74,747.07 and 30,291.45 is: 41,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,165 : 74,747.07 = 30,291.45 : x
  2. Step 2: Convert to fraction form
    54,165/74,747.07 = 30,291.45/x
  3. Step 3: Cross multiply
    54,165x = 74,747.07 × 30,291.45
  4. Step 4: Simplify right side
    54,165x = 2,264,197,133.55
  5. Step 5: Solve for x
    x = 2,264,197,133.55/54,165
  6. Step 6: Final answer
    x = 41,801.85

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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.