Home / 54,112.89-74,675.66-30,239.56

Finding the Fourth Proportional to 54,112.89, 74,675.66 and 30,239.56

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Solution

The fourth proportional to 54,112.89, 74,675.66 and 30,239.56 is: 41,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112.89 : 74,675.66 = 30,239.56 : x
  2. Step 2: Convert to fraction form
    54,112.89/74,675.66 = 30,239.56/x
  3. Step 3: Cross multiply
    54,112.89x = 74,675.66 × 30,239.56
  4. Step 4: Simplify right side
    54,112.89x = 2,258,159,101.11
  5. Step 5: Solve for x
    x = 2,258,159,101.11/54,112.89
  6. Step 6: Final answer
    x = 41,730.52

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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.