Home / 33,639.90-50,483.27-13,918.56

Finding the Fourth Proportional to 33,639.90, 50,483.27 and 13,918.56

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Solution

The fourth proportional to 33,639.90, 50,483.27 and 13,918.56 is: 20,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,639.90 : 50,483.27 = 13,918.56 : x
  2. Step 2: Convert to fraction form
    33,639.90/50,483.27 = 13,918.56/x
  3. Step 3: Cross multiply
    33,639.90x = 50,483.27 × 13,918.56
  4. Step 4: Simplify right side
    33,639.90x = 702,654,100.48
  5. Step 5: Solve for x
    x = 702,654,100.48/33,639.90
  6. Step 6: Final answer
    x = 20,887.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.