Home / 38,879.18-58,318.38-17,813.24

Finding the Fourth Proportional to 38,879.18, 58,318.38 and 17,813.24

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Solution

The fourth proportional to 38,879.18, 58,318.38 and 17,813.24 is: 26,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.18 : 58,318.38 = 17,813.24 : x
  2. Step 2: Convert to fraction form
    38,879.18/58,318.38 = 17,813.24/x
  3. Step 3: Cross multiply
    38,879.18x = 58,318.38 × 17,813.24
  4. Step 4: Simplify right side
    38,879.18x = 1,038,839,299.35
  5. Step 5: Solve for x
    x = 1,038,839,299.35/38,879.18
  6. Step 6: Final answer
    x = 26,719.68

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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.