Home / 31,377.48-43,334.91-19,469.22

Finding the Fourth Proportional to 31,377.48, 43,334.91 and 19,469.22

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Solution

The fourth proportional to 31,377.48, 43,334.91 and 19,469.22 is: 26,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,377.48 : 43,334.91 = 19,469.22 : x
  2. Step 2: Convert to fraction form
    31,377.48/43,334.91 = 19,469.22/x
  3. Step 3: Cross multiply
    31,377.48x = 43,334.91 × 19,469.22
  4. Step 4: Simplify right side
    31,377.48x = 843,696,896.47
  5. Step 5: Solve for x
    x = 843,696,896.47/31,377.48
  6. Step 6: Final answer
    x = 26,888.61

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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.