Home / 57,124.75-78,832.09-31,974.25

Finding the Fourth Proportional to 57,124.75, 78,832.09 and 31,974.25

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Solution

The fourth proportional to 57,124.75, 78,832.09 and 31,974.25 is: 44,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,124.75 : 78,832.09 = 31,974.25 : x
  2. Step 2: Convert to fraction form
    57,124.75/78,832.09 = 31,974.25/x
  3. Step 3: Cross multiply
    57,124.75x = 78,832.09 × 31,974.25
  4. Step 4: Simplify right side
    57,124.75x = 2,520,596,953.68
  5. Step 5: Solve for x
    x = 2,520,596,953.68/57,124.75
  6. Step 6: Final answer
    x = 44,124.43

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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.