Home / 38,450.84-57,675.89-12,155.59

Finding the Fourth Proportional to 38,450.84, 57,675.89 and 12,155.59

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Solution

The fourth proportional to 38,450.84, 57,675.89 and 12,155.59 is: 18,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,450.84 : 57,675.89 = 12,155.59 : x
  2. Step 2: Convert to fraction form
    38,450.84/57,675.89 = 12,155.59/x
  3. Step 3: Cross multiply
    38,450.84x = 57,675.89 × 12,155.59
  4. Step 4: Simplify right side
    38,450.84x = 701,084,357.92
  5. Step 5: Solve for x
    x = 701,084,357.92/38,450.84
  6. Step 6: Final answer
    x = 18,233.26

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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.