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Finding the Fourth Proportional to 57,611.92, 79,514.76 and 33,737.20

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Solution

The fourth proportional to 57,611.92, 79,514.76 and 33,737.20 is: 46,563.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,611.92 : 79,514.76 = 33,737.20 : x
  2. Step 2: Convert to fraction form
    57,611.92/79,514.76 = 33,737.20/x
  3. Step 3: Cross multiply
    57,611.92x = 79,514.76 × 33,737.20
  4. Step 4: Simplify right side
    57,611.92x = 2,682,605,361.07
  5. Step 5: Solve for x
    x = 2,682,605,361.07/57,611.92
  6. Step 6: Final answer
    x = 46,563.37

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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.