Home / 38,179.05-57,254.84-13,212.32

Finding the Fourth Proportional to 38,179.05, 57,254.84 and 13,212.32

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Solution

The fourth proportional to 38,179.05, 57,254.84 and 13,212.32 is: 19,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179.05 : 57,254.84 = 13,212.32 : x
  2. Step 2: Convert to fraction form
    38,179.05/57,254.84 = 13,212.32/x
  3. Step 3: Cross multiply
    38,179.05x = 57,254.84 × 13,212.32
  4. Step 4: Simplify right side
    38,179.05x = 756,468,964.84
  5. Step 5: Solve for x
    x = 756,468,964.84/38,179.05
  6. Step 6: Final answer
    x = 19,813.72

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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.