Home / 38,910.48-58,361.76-13,949.52

Finding the Fourth Proportional to 38,910.48, 58,361.76 and 13,949.52

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Solution

The fourth proportional to 38,910.48, 58,361.76 and 13,949.52 is: 20,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,910.48 : 58,361.76 = 13,949.52 : x
  2. Step 2: Convert to fraction form
    38,910.48/58,361.76 = 13,949.52/x
  3. Step 3: Cross multiply
    38,910.48x = 58,361.76 × 13,949.52
  4. Step 4: Simplify right side
    38,910.48x = 814,118,538.36
  5. Step 5: Solve for x
    x = 814,118,538.36/38,910.48
  6. Step 6: Final answer
    x = 20,922.86

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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.