Home / 29,772.48-41,113.68-19,180.48

Finding the Fourth Proportional to 29,772.48, 41,113.68 and 19,180.48

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Solution

The fourth proportional to 29,772.48, 41,113.68 and 19,180.48 is: 26,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,772.48 : 41,113.68 = 19,180.48 : x
  2. Step 2: Convert to fraction form
    29,772.48/41,113.68 = 19,180.48/x
  3. Step 3: Cross multiply
    29,772.48x = 41,113.68 × 19,180.48
  4. Step 4: Simplify right side
    29,772.48x = 788,580,116.97
  5. Step 5: Solve for x
    x = 788,580,116.97/29,772.48
  6. Step 6: Final answer
    x = 26,486.88

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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.