Home / 54,115.29-74,678.90-30,241.76

Finding the Fourth Proportional to 54,115.29, 74,678.90 and 30,241.76

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Solution

The fourth proportional to 54,115.29, 74,678.90 and 30,241.76 is: 41,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,115.29 : 74,678.90 = 30,241.76 : x
  2. Step 2: Convert to fraction form
    54,115.29/74,678.90 = 30,241.76/x
  3. Step 3: Cross multiply
    54,115.29x = 74,678.90 × 30,241.76
  4. Step 4: Simplify right side
    54,115.29x = 2,258,420,846.26
  5. Step 5: Solve for x
    x = 2,258,420,846.26/54,115.29
  6. Step 6: Final answer
    x = 41,733.51

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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.