Home / 38,288.70-57,498.66-20,792.70

Finding the Fourth Proportional to 38,288.70, 57,498.66 and 20,792.70

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Solution

The fourth proportional to 38,288.70, 57,498.66 and 20,792.70 is: 31,224.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,288.70 : 57,498.66 = 20,792.70 : x
  2. Step 2: Convert to fraction form
    38,288.70/57,498.66 = 20,792.70/x
  3. Step 3: Cross multiply
    38,288.70x = 57,498.66 × 20,792.70
  4. Step 4: Simplify right side
    38,288.70x = 1,195,552,387.78
  5. Step 5: Solve for x
    x = 1,195,552,387.78/38,288.70
  6. Step 6: Final answer
    x = 31,224.68

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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.