Home / 40,904.20-61,388.70-15,956.20

Finding the Fourth Proportional to 40,904.20, 61,388.70 and 15,956.20

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Solution

The fourth proportional to 40,904.20, 61,388.70 and 15,956.20 is: 23,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,904.20 : 61,388.70 = 15,956.20 : x
  2. Step 2: Convert to fraction form
    40,904.20/61,388.70 = 15,956.20/x
  3. Step 3: Cross multiply
    40,904.20x = 61,388.70 × 15,956.20
  4. Step 4: Simplify right side
    40,904.20x = 979,530,374.94
  5. Step 5: Solve for x
    x = 979,530,374.94/40,904.20
  6. Step 6: Final answer
    x = 23,946.94

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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.