Home / 54,063.18-74,602.89-30,188.43

Finding the Fourth Proportional to 54,063.18, 74,602.89 and 30,188.43

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Solution

The fourth proportional to 54,063.18, 74,602.89 and 30,188.43 is: 41,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,063.18 : 74,602.89 = 30,188.43 : x
  2. Step 2: Convert to fraction form
    54,063.18/74,602.89 = 30,188.43/x
  3. Step 3: Cross multiply
    54,063.18x = 74,602.89 × 30,188.43
  4. Step 4: Simplify right side
    54,063.18x = 2,252,144,122.56
  5. Step 5: Solve for x
    x = 2,252,144,122.56/54,063.18
  6. Step 6: Final answer
    x = 41,657.63

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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.