Home / 40,063.60-60,105.24-13,768.72

Finding the Fourth Proportional to 40,063.60, 60,105.24 and 13,768.72

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Solution

The fourth proportional to 40,063.60, 60,105.24 and 13,768.72 is: 20,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,063.60 : 60,105.24 = 13,768.72 : x
  2. Step 2: Convert to fraction form
    40,063.60/60,105.24 = 13,768.72/x
  3. Step 3: Cross multiply
    40,063.60x = 60,105.24 × 13,768.72
  4. Step 4: Simplify right side
    40,063.60x = 827,572,220.09
  5. Step 5: Solve for x
    x = 827,572,220.09/40,063.60
  6. Step 6: Final answer
    x = 20,656.46

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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.