Home / 66,589.38-99,933.21-31,528.98

Finding the Fourth Proportional to 66,589.38, 99,933.21 and 31,528.98

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Solution

The fourth proportional to 66,589.38, 99,933.21 and 31,528.98 is: 47,316.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,589.38 : 99,933.21 = 31,528.98 : x
  2. Step 2: Convert to fraction form
    66,589.38/99,933.21 = 31,528.98/x
  3. Step 3: Cross multiply
    66,589.38x = 99,933.21 × 31,528.98
  4. Step 4: Simplify right side
    66,589.38x = 3,150,792,179.43
  5. Step 5: Solve for x
    x = 3,150,792,179.43/66,589.38
  6. Step 6: Final answer
    x = 47,316.74

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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.