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Finding the Fourth Proportional to 53,951.76, 80,927.64 and 18,883.22

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Solution

The fourth proportional to 53,951.76, 80,927.64 and 18,883.22 is: 28,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,951.76 : 80,927.64 = 18,883.22 : x
  2. Step 2: Convert to fraction form
    53,951.76/80,927.64 = 18,883.22/x
  3. Step 3: Cross multiply
    53,951.76x = 80,927.64 × 18,883.22
  4. Step 4: Simplify right side
    53,951.76x = 1,528,174,025.56
  5. Step 5: Solve for x
    x = 1,528,174,025.56/53,951.76
  6. Step 6: Final answer
    x = 28,324.82

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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.