Home / 54,562.11-75,294.98-30,688.78

Finding the Fourth Proportional to 54,562.11, 75,294.98 and 30,688.78

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Solution

The fourth proportional to 54,562.11, 75,294.98 and 30,688.78 is: 42,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,562.11 : 75,294.98 = 30,688.78 : x
  2. Step 2: Convert to fraction form
    54,562.11/75,294.98 = 30,688.78/x
  3. Step 3: Cross multiply
    54,562.11x = 75,294.98 × 30,688.78
  4. Step 4: Simplify right side
    54,562.11x = 2,310,711,076.32
  5. Step 5: Solve for x
    x = 2,310,711,076.32/54,562.11
  6. Step 6: Final answer
    x = 42,350.10

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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.