Home / 66,369.74-99,566.88-18,982.82

Finding the Fourth Proportional to 66,369.74, 99,566.88 and 18,982.82

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Solution

The fourth proportional to 66,369.74, 99,566.88 and 18,982.82 is: 28,477.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,369.74 : 99,566.88 = 18,982.82 : x
  2. Step 2: Convert to fraction form
    66,369.74/99,566.88 = 18,982.82/x
  3. Step 3: Cross multiply
    66,369.74x = 99,566.88 × 18,982.82
  4. Step 4: Simplify right side
    66,369.74x = 1,890,060,161.00
  5. Step 5: Solve for x
    x = 1,890,060,161.00/66,369.74
  6. Step 6: Final answer
    x = 28,477.74

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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.