Home / 49,371.12-68,127.90-27,859.68

Finding the Fourth Proportional to 49,371.12, 68,127.90 and 27,859.68

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Solution

The fourth proportional to 49,371.12, 68,127.90 and 27,859.68 is: 38,443.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,371.12 : 68,127.90 = 27,859.68 : x
  2. Step 2: Convert to fraction form
    49,371.12/68,127.90 = 27,859.68/x
  3. Step 3: Cross multiply
    49,371.12x = 68,127.90 × 27,859.68
  4. Step 4: Simplify right side
    49,371.12x = 1,898,021,493.07
  5. Step 5: Solve for x
    x = 1,898,021,493.07/49,371.12
  6. Step 6: Final answer
    x = 38,443.96

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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.