Home / 54,112.43-74,676.75-30,239.16

Finding the Fourth Proportional to 54,112.43, 74,676.75 and 30,239.16

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Solution

The fourth proportional to 54,112.43, 74,676.75 and 30,239.16 is: 41,730.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112.43 : 74,676.75 = 30,239.16 : x
  2. Step 2: Convert to fraction form
    54,112.43/74,676.75 = 30,239.16/x
  3. Step 3: Cross multiply
    54,112.43x = 74,676.75 × 30,239.16
  4. Step 4: Simplify right side
    54,112.43x = 2,258,162,155.66
  5. Step 5: Solve for x
    x = 2,258,162,155.66/54,112.43
  6. Step 6: Final answer
    x = 41,730.93

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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.