Home / 40,897.31-61,346.00-12,819.56

Finding the Fourth Proportional to 40,897.31, 61,346.00 and 12,819.56

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Solution

The fourth proportional to 40,897.31, 61,346.00 and 12,819.56 is: 19,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,897.31 : 61,346.00 = 12,819.56 : x
  2. Step 2: Convert to fraction form
    40,897.31/61,346.00 = 12,819.56/x
  3. Step 3: Cross multiply
    40,897.31x = 61,346.00 × 12,819.56
  4. Step 4: Simplify right side
    40,897.31x = 786,428,356.93
  5. Step 5: Solve for x
    x = 786,428,356.93/40,897.31
  6. Step 6: Final answer
    x = 19,229.34

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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.