Home / 38,155.86-57,201.49-14,450.34

Finding the Fourth Proportional to 38,155.86, 57,201.49 and 14,450.34

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Solution

The fourth proportional to 38,155.86, 57,201.49 and 14,450.34 is: 21,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,155.86 : 57,201.49 = 14,450.34 : x
  2. Step 2: Convert to fraction form
    38,155.86/57,201.49 = 14,450.34/x
  3. Step 3: Cross multiply
    38,155.86x = 57,201.49 × 14,450.34
  4. Step 4: Simplify right side
    38,155.86x = 826,580,942.88
  5. Step 5: Solve for x
    x = 826,580,942.88/38,155.86
  6. Step 6: Final answer
    x = 21,663.28

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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.