Home / 40,897.60-61,346.22-11,315.14

Finding the Fourth Proportional to 40,897.60, 61,346.22 and 11,315.14

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Solution

The fourth proportional to 40,897.60, 61,346.22 and 11,315.14 is: 16,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,897.60 : 61,346.22 = 11,315.14 : x
  2. Step 2: Convert to fraction form
    40,897.60/61,346.22 = 11,315.14/x
  3. Step 3: Cross multiply
    40,897.60x = 61,346.22 × 11,315.14
  4. Step 4: Simplify right side
    40,897.60x = 694,141,067.77
  5. Step 5: Solve for x
    x = 694,141,067.77/40,897.60
  6. Step 6: Final answer
    x = 16,972.66

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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.