Home / 66,156.35-99,246.82-21,784.85

Finding the Fourth Proportional to 66,156.35, 99,246.82 and 21,784.85

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Solution

The fourth proportional to 66,156.35, 99,246.82 and 21,784.85 is: 32,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,156.35 : 99,246.82 = 21,784.85 : x
  2. Step 2: Convert to fraction form
    66,156.35/99,246.82 = 21,784.85/x
  3. Step 3: Cross multiply
    66,156.35x = 99,246.82 × 21,784.85
  4. Step 4: Simplify right side
    66,156.35x = 2,162,076,949.00
  5. Step 5: Solve for x
    x = 2,162,076,949.00/66,156.35
  6. Step 6: Final answer
    x = 32,681.32

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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.