Home / 40,262.08-60,378-13,960.48

Finding the Fourth Proportional to 40,262.08, 60,378 and 13,960.48

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Solution

The fourth proportional to 40,262.08, 60,378 and 13,960.48 is: 20,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,262.08 : 60,378 = 13,960.48 : x
  2. Step 2: Convert to fraction form
    40,262.08/60,378 = 13,960.48/x
  3. Step 3: Cross multiply
    40,262.08x = 60,378 × 13,960.48
  4. Step 4: Simplify right side
    40,262.08x = 842,905,861.44
  5. Step 5: Solve for x
    x = 842,905,861.44/40,262.08
  6. Step 6: Final answer
    x = 20,935.48

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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.