Home / 38,402.92-57,569.82-19,878.76

Finding the Fourth Proportional to 38,402.92, 57,569.82 and 19,878.76

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Solution

The fourth proportional to 38,402.92, 57,569.82 and 19,878.76 is: 29,800.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,402.92 : 57,569.82 = 19,878.76 : x
  2. Step 2: Convert to fraction form
    38,402.92/57,569.82 = 19,878.76/x
  3. Step 3: Cross multiply
    38,402.92x = 57,569.82 × 19,878.76
  4. Step 4: Simplify right side
    38,402.92x = 1,144,416,635.02
  5. Step 5: Solve for x
    x = 1,144,416,635.02/38,402.92
  6. Step 6: Final answer
    x = 29,800.25

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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.