Home / 38,005.73-57,009.75-13,045.42

Finding the Fourth Proportional to 38,005.73, 57,009.75 and 13,045.42

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Solution

The fourth proportional to 38,005.73, 57,009.75 and 13,045.42 is: 19,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.73 : 57,009.75 = 13,045.42 : x
  2. Step 2: Convert to fraction form
    38,005.73/57,009.75 = 13,045.42/x
  3. Step 3: Cross multiply
    38,005.73x = 57,009.75 × 13,045.42
  4. Step 4: Simplify right side
    38,005.73x = 743,716,132.85
  5. Step 5: Solve for x
    x = 743,716,132.85/38,005.73
  6. Step 6: Final answer
    x = 19,568.53

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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.