Home / 41,212.60-61,823.74-13,122.82

Finding the Fourth Proportional to 41,212.60, 61,823.74 and 13,122.82

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Solution

The fourth proportional to 41,212.60, 61,823.74 and 13,122.82 is: 19,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,212.60 : 61,823.74 = 13,122.82 : x
  2. Step 2: Convert to fraction form
    41,212.60/61,823.74 = 13,122.82/x
  3. Step 3: Cross multiply
    41,212.60x = 61,823.74 × 13,122.82
  4. Step 4: Simplify right side
    41,212.60x = 811,301,811.75
  5. Step 5: Solve for x
    x = 811,301,811.75/41,212.60
  6. Step 6: Final answer
    x = 19,685.77

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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.