Home / 47,872.42-66,020.92-29,969.05

Finding the Fourth Proportional to 47,872.42, 66,020.92 and 29,969.05

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Solution

The fourth proportional to 47,872.42, 66,020.92 and 29,969.05 is: 41,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872.42 : 66,020.92 = 29,969.05 : x
  2. Step 2: Convert to fraction form
    47,872.42/66,020.92 = 29,969.05/x
  3. Step 3: Cross multiply
    47,872.42x = 66,020.92 × 29,969.05
  4. Step 4: Simplify right side
    47,872.42x = 1,978,584,252.53
  5. Step 5: Solve for x
    x = 1,978,584,252.53/47,872.42
  6. Step 6: Final answer
    x = 41,330.36

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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.