Home / 38,600.58-57,901.05-13,637.78

Finding the Fourth Proportional to 38,600.58, 57,901.05 and 13,637.78

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Solution

The fourth proportional to 38,600.58, 57,901.05 and 13,637.78 is: 20,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,600.58 : 57,901.05 = 13,637.78 : x
  2. Step 2: Convert to fraction form
    38,600.58/57,901.05 = 13,637.78/x
  3. Step 3: Cross multiply
    38,600.58x = 57,901.05 × 13,637.78
  4. Step 4: Simplify right side
    38,600.58x = 789,641,492.16
  5. Step 5: Solve for x
    x = 789,641,492.16/38,600.58
  6. Step 6: Final answer
    x = 20,456.73

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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.