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Finding the Fourth Proportional to 57,963.48, 79,951.50 and 45,366.36

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Solution

The fourth proportional to 57,963.48, 79,951.50 and 45,366.36 is: 62,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,963.48 : 79,951.50 = 45,366.36 : x
  2. Step 2: Convert to fraction form
    57,963.48/79,951.50 = 45,366.36/x
  3. Step 3: Cross multiply
    57,963.48x = 79,951.50 × 45,366.36
  4. Step 4: Simplify right side
    57,963.48x = 3,627,108,531.54
  5. Step 5: Solve for x
    x = 3,627,108,531.54/57,963.48
  6. Step 6: Final answer
    x = 62,575.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.