Home / 66,237.72-99,356.61-16,318.79

Finding the Fourth Proportional to 66,237.72, 99,356.61 and 16,318.79

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Solution

The fourth proportional to 66,237.72, 99,356.61 and 16,318.79 is: 24,478.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,237.72 : 99,356.61 = 16,318.79 : x
  2. Step 2: Convert to fraction form
    66,237.72/99,356.61 = 16,318.79/x
  3. Step 3: Cross multiply
    66,237.72x = 99,356.61 × 16,318.79
  4. Step 4: Simplify right side
    66,237.72x = 1,621,379,653.70
  5. Step 5: Solve for x
    x = 1,621,379,653.70/66,237.72
  6. Step 6: Final answer
    x = 24,478.19

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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.