Home / 31,798.48-43,882.07-19,868.73

Finding the Fourth Proportional to 31,798.48, 43,882.07 and 19,868.73

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Solution

The fourth proportional to 31,798.48, 43,882.07 and 19,868.73 is: 27,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,798.48 : 43,882.07 = 19,868.73 : x
  2. Step 2: Convert to fraction form
    31,798.48/43,882.07 = 19,868.73/x
  3. Step 3: Cross multiply
    31,798.48x = 43,882.07 × 19,868.73
  4. Step 4: Simplify right side
    31,798.48x = 871,881,000.67
  5. Step 5: Solve for x
    x = 871,881,000.67/31,798.48
  6. Step 6: Final answer
    x = 27,418.95

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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.