Home / 38,085.72-57,134.04-11,792.52

Finding the Fourth Proportional to 38,085.72, 57,134.04 and 11,792.52

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Solution

The fourth proportional to 38,085.72, 57,134.04 and 11,792.52 is: 17,690.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,085.72 : 57,134.04 = 11,792.52 : x
  2. Step 2: Convert to fraction form
    38,085.72/57,134.04 = 11,792.52/x
  3. Step 3: Cross multiply
    38,085.72x = 57,134.04 × 11,792.52
  4. Step 4: Simplify right side
    38,085.72x = 673,754,309.38
  5. Step 5: Solve for x
    x = 673,754,309.38/38,085.72
  6. Step 6: Final answer
    x = 17,690.47

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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.