Home / 61,269.21-91,853.60-21,803.85

Finding the Fourth Proportional to 61,269.21, 91,853.60 and 21,803.85

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Solution

The fourth proportional to 61,269.21, 91,853.60 and 21,803.85 is: 32,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,269.21 : 91,853.60 = 21,803.85 : x
  2. Step 2: Convert to fraction form
    61,269.21/91,853.60 = 21,803.85/x
  3. Step 3: Cross multiply
    61,269.21x = 91,853.60 × 21,803.85
  4. Step 4: Simplify right side
    61,269.21x = 2,002,762,007.34
  5. Step 5: Solve for x
    x = 2,002,762,007.34/61,269.21
  6. Step 6: Final answer
    x = 32,687.90

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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.