Home / 47,727.82-71,567.43-18,123.13

Finding the Fourth Proportional to 47,727.82, 71,567.43 and 18,123.13

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Solution

The fourth proportional to 47,727.82, 71,567.43 and 18,123.13 is: 27,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,727.82 : 71,567.43 = 18,123.13 : x
  2. Step 2: Convert to fraction form
    47,727.82/71,567.43 = 18,123.13/x
  3. Step 3: Cross multiply
    47,727.82x = 71,567.43 × 18,123.13
  4. Step 4: Simplify right side
    47,727.82x = 1,297,025,837.66
  5. Step 5: Solve for x
    x = 1,297,025,837.66/47,727.82
  6. Step 6: Final answer
    x = 27,175.47

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1.5x scale

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.