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Finding the Fourth Proportional to 53,951.72, 80,927.46 and 18,901.40

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Solution

The fourth proportional to 53,951.72, 80,927.46 and 18,901.40 is: 28,352.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,951.72 : 80,927.46 = 18,901.40 : x
  2. Step 2: Convert to fraction form
    53,951.72/80,927.46 = 18,901.40/x
  3. Step 3: Cross multiply
    53,951.72x = 80,927.46 × 18,901.40
  4. Step 4: Simplify right side
    53,951.72x = 1,529,642,292.44
  5. Step 5: Solve for x
    x = 1,529,642,292.44/53,951.72
  6. Step 6: Final answer
    x = 28,352.06

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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.