Home / 49,142.09-67,814.08-27,631.23

Finding the Fourth Proportional to 49,142.09, 67,814.08 and 27,631.23

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Solution

The fourth proportional to 49,142.09, 67,814.08 and 27,631.23 is: 38,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,142.09 : 67,814.08 = 27,631.23 : x
  2. Step 2: Convert to fraction form
    49,142.09/67,814.08 = 27,631.23/x
  3. Step 3: Cross multiply
    49,142.09x = 67,814.08 × 27,631.23
  4. Step 4: Simplify right side
    49,142.09x = 1,873,786,118.34
  5. Step 5: Solve for x
    x = 1,873,786,118.34/49,142.09
  6. Step 6: Final answer
    x = 38,129.96

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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.