Home / 41,189.76-61,784.64-11,610.72

Finding the Fourth Proportional to 41,189.76, 61,784.64 and 11,610.72

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Solution

The fourth proportional to 41,189.76, 61,784.64 and 11,610.72 is: 17,416.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,189.76 : 61,784.64 = 11,610.72 : x
  2. Step 2: Convert to fraction form
    41,189.76/61,784.64 = 11,610.72/x
  3. Step 3: Cross multiply
    41,189.76x = 61,784.64 × 11,610.72
  4. Step 4: Simplify right side
    41,189.76x = 717,364,155.34
  5. Step 5: Solve for x
    x = 717,364,155.34/41,189.76
  6. Step 6: Final answer
    x = 17,416.08

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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.