Home / 57,380.11-86,070.18-17,937.58

Finding the Fourth Proportional to 57,380.11, 86,070.18 and 17,937.58

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Solution

The fourth proportional to 57,380.11, 86,070.18 and 17,937.58 is: 26,906.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,380.11 : 86,070.18 = 17,937.58 : x
  2. Step 2: Convert to fraction form
    57,380.11/86,070.18 = 17,937.58/x
  3. Step 3: Cross multiply
    57,380.11x = 86,070.18 × 17,937.58
  4. Step 4: Simplify right side
    57,380.11x = 1,543,890,739.36
  5. Step 5: Solve for x
    x = 1,543,890,739.36/57,380.11
  6. Step 6: Final answer
    x = 26,906.37

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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.