Home / 38,403.74-57,553.77-19,948.70

Finding the Fourth Proportional to 38,403.74, 57,553.77 and 19,948.70

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Solution

The fourth proportional to 38,403.74, 57,553.77 and 19,948.70 is: 29,896.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,403.74 : 57,553.77 = 19,948.70 : x
  2. Step 2: Convert to fraction form
    38,403.74/57,553.77 = 19,948.70/x
  3. Step 3: Cross multiply
    38,403.74x = 57,553.77 × 19,948.70
  4. Step 4: Simplify right side
    38,403.74x = 1,148,122,891.60
  5. Step 5: Solve for x
    x = 1,148,122,891.60/38,403.74
  6. Step 6: Final answer
    x = 29,896.12

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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.