Home / 54,071.86-81,107.98-16,631.68

Finding the Fourth Proportional to 54,071.86, 81,107.98 and 16,631.68

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Solution

The fourth proportional to 54,071.86, 81,107.98 and 16,631.68 is: 24,947.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,071.86 : 81,107.98 = 16,631.68 : x
  2. Step 2: Convert to fraction form
    54,071.86/81,107.98 = 16,631.68/x
  3. Step 3: Cross multiply
    54,071.86x = 81,107.98 × 16,631.68
  4. Step 4: Simplify right side
    54,071.86x = 1,348,961,480.11
  5. Step 5: Solve for x
    x = 1,348,961,480.11/54,071.86
  6. Step 6: Final answer
    x = 24,947.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.