Home / 40,401.92-60,473.60-21,635.20

Finding the Fourth Proportional to 40,401.92, 60,473.60 and 21,635.20

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Solution

The fourth proportional to 40,401.92, 60,473.60 and 21,635.20 is: 32,383.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,401.92 : 60,473.60 = 21,635.20 : x
  2. Step 2: Convert to fraction form
    40,401.92/60,473.60 = 21,635.20/x
  3. Step 3: Cross multiply
    40,401.92x = 60,473.60 × 21,635.20
  4. Step 4: Simplify right side
    40,401.92x = 1,308,358,430.72
  5. Step 5: Solve for x
    x = 1,308,358,430.72/40,401.92
  6. Step 6: Final answer
    x = 32,383.57

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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.