Home / 38,302.92-57,438.66-14,619.09

Finding the Fourth Proportional to 38,302.92, 57,438.66 and 14,619.09

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Solution

The fourth proportional to 38,302.92, 57,438.66 and 14,619.09 is: 21,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,302.92 : 57,438.66 = 14,619.09 : x
  2. Step 2: Convert to fraction form
    38,302.92/57,438.66 = 14,619.09/x
  3. Step 3: Cross multiply
    38,302.92x = 57,438.66 × 14,619.09
  4. Step 4: Simplify right side
    38,302.92x = 839,700,940.02
  5. Step 5: Solve for x
    x = 839,700,940.02/38,302.92
  6. Step 6: Final answer
    x = 21,922.64

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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.