Home / 38,272.38-57,330.81-19,765.50

Finding the Fourth Proportional to 38,272.38, 57,330.81 and 19,765.50

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Solution

The fourth proportional to 38,272.38, 57,330.81 and 19,765.50 is: 29,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,272.38 : 57,330.81 = 19,765.50 : x
  2. Step 2: Convert to fraction form
    38,272.38/57,330.81 = 19,765.50/x
  3. Step 3: Cross multiply
    38,272.38x = 57,330.81 × 19,765.50
  4. Step 4: Simplify right side
    38,272.38x = 1,133,172,125.06
  5. Step 5: Solve for x
    x = 1,133,172,125.06/38,272.38
  6. Step 6: Final answer
    x = 29,608.09

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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.