Home / 54,381.79-75,046.69-30,186.41

Finding the Fourth Proportional to 54,381.79, 75,046.69 and 30,186.41

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Solution

The fourth proportional to 54,381.79, 75,046.69 and 30,186.41 is: 41,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,381.79 : 75,046.69 = 30,186.41 : x
  2. Step 2: Convert to fraction form
    54,381.79/75,046.69 = 30,186.41/x
  3. Step 3: Cross multiply
    54,381.79x = 75,046.69 × 30,186.41
  4. Step 4: Simplify right side
    54,381.79x = 2,265,390,153.48
  5. Step 5: Solve for x
    x = 2,265,390,153.48/54,381.79
  6. Step 6: Final answer
    x = 41,657.15

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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.