Home / 54,436.31-75,125.81-30,240.03

Finding the Fourth Proportional to 54,436.31, 75,125.81 and 30,240.03

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Solution

The fourth proportional to 54,436.31, 75,125.81 and 30,240.03 is: 41,733.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,436.31 : 75,125.81 = 30,240.03 : x
  2. Step 2: Convert to fraction form
    54,436.31/75,125.81 = 30,240.03/x
  3. Step 3: Cross multiply
    54,436.31x = 75,125.81 × 30,240.03
  4. Step 4: Simplify right side
    54,436.31x = 2,271,807,105.50
  5. Step 5: Solve for x
    x = 2,271,807,105.50/54,436.31
  6. Step 6: Final answer
    x = 41,733.31

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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.