Home / 38,021.14-57,015.20-14,631.16

Finding the Fourth Proportional to 38,021.14, 57,015.20 and 14,631.16

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Solution

The fourth proportional to 38,021.14, 57,015.20 and 14,631.16 is: 21,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021.14 : 57,015.20 = 14,631.16 : x
  2. Step 2: Convert to fraction form
    38,021.14/57,015.20 = 14,631.16/x
  3. Step 3: Cross multiply
    38,021.14x = 57,015.20 × 14,631.16
  4. Step 4: Simplify right side
    38,021.14x = 834,198,513.63
  5. Step 5: Solve for x
    x = 834,198,513.63/38,021.14
  6. Step 6: Final answer
    x = 21,940.39

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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.