Home / 66,849.42-92,243.40-39,982.12

Finding the Fourth Proportional to 66,849.42, 92,243.40 and 39,982.12

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Solution

The fourth proportional to 66,849.42, 92,243.40 and 39,982.12 is: 55,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,849.42 : 92,243.40 = 39,982.12 : x
  2. Step 2: Convert to fraction form
    66,849.42/92,243.40 = 39,982.12/x
  3. Step 3: Cross multiply
    66,849.42x = 92,243.40 × 39,982.12
  4. Step 4: Simplify right side
    66,849.42x = 3,688,086,688.01
  5. Step 5: Solve for x
    x = 3,688,086,688.01/66,849.42
  6. Step 6: Final answer
    x = 55,170.06

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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.