Home / 35,580.90-49,098.24-19,662.78

Finding the Fourth Proportional to 35,580.90, 49,098.24 and 19,662.78

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Solution

The fourth proportional to 35,580.90, 49,098.24 and 19,662.78 is: 27,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,580.90 : 49,098.24 = 19,662.78 : x
  2. Step 2: Convert to fraction form
    35,580.90/49,098.24 = 19,662.78/x
  3. Step 3: Cross multiply
    35,580.90x = 49,098.24 × 19,662.78
  4. Step 4: Simplify right side
    35,580.90x = 965,407,891.51
  5. Step 5: Solve for x
    x = 965,407,891.51/35,580.90
  6. Step 6: Final answer
    x = 27,132.76

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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.