Home / 66,849.91-92,244.09-39,982.62

Finding the Fourth Proportional to 66,849.91, 92,244.09 and 39,982.62

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Solution

The fourth proportional to 66,849.91, 92,244.09 and 39,982.62 is: 55,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,849.91 : 92,244.09 = 39,982.62 : x
  2. Step 2: Convert to fraction form
    66,849.91/92,244.09 = 39,982.62/x
  3. Step 3: Cross multiply
    66,849.91x = 92,244.09 × 39,982.62
  4. Step 4: Simplify right side
    66,849.91x = 3,688,160,397.72
  5. Step 5: Solve for x
    x = 3,688,160,397.72/66,849.91
  6. Step 6: Final answer
    x = 55,170.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.