Home / 38,005.19-57,010.67-13,045.04

Finding the Fourth Proportional to 38,005.19, 57,010.67 and 13,045.04

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Solution

The fourth proportional to 38,005.19, 57,010.67 and 13,045.04 is: 19,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.19 : 57,010.67 = 13,045.04 : x
  2. Step 2: Convert to fraction form
    38,005.19/57,010.67 = 13,045.04/x
  3. Step 3: Cross multiply
    38,005.19x = 57,010.67 × 13,045.04
  4. Step 4: Simplify right side
    38,005.19x = 743,706,120.30
  5. Step 5: Solve for x
    x = 743,706,120.30/38,005.19
  6. Step 6: Final answer
    x = 19,568.54

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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.