Home / 40,897.68-61,346.56-12,819.93

Finding the Fourth Proportional to 40,897.68, 61,346.56 and 12,819.93

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Solution

The fourth proportional to 40,897.68, 61,346.56 and 12,819.93 is: 19,229.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,897.68 : 61,346.56 = 12,819.93 : x
  2. Step 2: Convert to fraction form
    40,897.68/61,346.56 = 12,819.93/x
  3. Step 3: Cross multiply
    40,897.68x = 61,346.56 × 12,819.93
  4. Step 4: Simplify right side
    40,897.68x = 786,458,572.89
  5. Step 5: Solve for x
    x = 786,458,572.89/40,897.68
  6. Step 6: Final answer
    x = 19,229.91

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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.