Home / 57,146.32-85,739.68-25,553.44

Finding the Fourth Proportional to 57,146.32, 85,739.68 and 25,553.44

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Solution

The fourth proportional to 57,146.32, 85,739.68 and 25,553.44 is: 38,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,146.32 : 85,739.68 = 25,553.44 : x
  2. Step 2: Convert to fraction form
    57,146.32/85,739.68 = 25,553.44/x
  3. Step 3: Cross multiply
    57,146.32x = 85,739.68 × 25,553.44
  4. Step 4: Simplify right side
    57,146.32x = 2,190,943,768.50
  5. Step 5: Solve for x
    x = 2,190,943,768.50/57,146.32
  6. Step 6: Final answer
    x = 38,339.19

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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.