Home / 38,455.05-57,578.36-19,948.17

Finding the Fourth Proportional to 38,455.05, 57,578.36 and 19,948.17

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Solution

The fourth proportional to 38,455.05, 57,578.36 and 19,948.17 is: 29,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455.05 : 57,578.36 = 19,948.17 : x
  2. Step 2: Convert to fraction form
    38,455.05/57,578.36 = 19,948.17/x
  3. Step 3: Cross multiply
    38,455.05x = 57,578.36 × 19,948.17
  4. Step 4: Simplify right side
    38,455.05x = 1,148,582,813.86
  5. Step 5: Solve for x
    x = 1,148,582,813.86/38,455.05
  6. Step 6: Final answer
    x = 29,868.19

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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.