Home / 38,062.12-57,091.80-9,981.94

Finding the Fourth Proportional to 38,062.12, 57,091.80 and 9,981.94

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Solution

The fourth proportional to 38,062.12, 57,091.80 and 9,981.94 is: 14,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,062.12 : 57,091.80 = 9,981.94 : x
  2. Step 2: Convert to fraction form
    38,062.12/57,091.80 = 9,981.94/x
  3. Step 3: Cross multiply
    38,062.12x = 57,091.80 × 9,981.94
  4. Step 4: Simplify right side
    38,062.12x = 569,886,922.09
  5. Step 5: Solve for x
    x = 569,886,922.09/38,062.12
  6. Step 6: Final answer
    x = 14,972.55

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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.