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Finding the Fourth Proportional to 53,392.92, 80,083.92 and 13,944.92

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Solution

The fourth proportional to 53,392.92, 80,083.92 and 13,944.92 is: 20,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,392.92 : 80,083.92 = 13,944.92 : x
  2. Step 2: Convert to fraction form
    53,392.92/80,083.92 = 13,944.92/x
  3. Step 3: Cross multiply
    53,392.92x = 80,083.92 × 13,944.92
  4. Step 4: Simplify right side
    53,392.92x = 1,116,763,857.69
  5. Step 5: Solve for x
    x = 1,116,763,857.69/53,392.92
  6. Step 6: Final answer
    x = 20,915.95

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1.5x scale

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.