Home / 40,897.73-61,346.51-12,819.94

Finding the Fourth Proportional to 40,897.73, 61,346.51 and 12,819.94

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Solution

The fourth proportional to 40,897.73, 61,346.51 and 12,819.94 is: 19,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,897.73 : 61,346.51 = 12,819.94 : x
  2. Step 2: Convert to fraction form
    40,897.73/61,346.51 = 12,819.94/x
  3. Step 3: Cross multiply
    40,897.73x = 61,346.51 × 12,819.94
  4. Step 4: Simplify right side
    40,897.73x = 786,458,577.41
  5. Step 5: Solve for x
    x = 786,458,577.41/40,897.73
  6. Step 6: Final answer
    x = 19,229.88

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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.