Home / 66,205.35-99,311.06-21,835.98

Finding the Fourth Proportional to 66,205.35, 99,311.06 and 21,835.98

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Solution

The fourth proportional to 66,205.35, 99,311.06 and 21,835.98 is: 32,754.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,205.35 : 99,311.06 = 21,835.98 : x
  2. Step 2: Convert to fraction form
    66,205.35/99,311.06 = 21,835.98/x
  3. Step 3: Cross multiply
    66,205.35x = 99,311.06 × 21,835.98
  4. Step 4: Simplify right side
    66,205.35x = 2,168,554,374.53
  5. Step 5: Solve for x
    x = 2,168,554,374.53/66,205.35
  6. Step 6: Final answer
    x = 32,754.97

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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.