Home / 40,897.56-61,346.37-12,819.81

Finding the Fourth Proportional to 40,897.56, 61,346.37 and 12,819.81

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Solution

The fourth proportional to 40,897.56, 61,346.37 and 12,819.81 is: 19,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,897.56 : 61,346.37 = 12,819.81 : x
  2. Step 2: Convert to fraction form
    40,897.56/61,346.37 = 12,819.81/x
  3. Step 3: Cross multiply
    40,897.56x = 61,346.37 × 12,819.81
  4. Step 4: Simplify right side
    40,897.56x = 786,448,807.59
  5. Step 5: Solve for x
    x = 786,448,807.59/40,897.56
  6. Step 6: Final answer
    x = 19,229.72

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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.