Home / 57,138.48-85,725.27-25,575.14

Finding the Fourth Proportional to 57,138.48, 85,725.27 and 25,575.14

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Solution

The fourth proportional to 57,138.48, 85,725.27 and 25,575.14 is: 38,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,138.48 : 85,725.27 = 25,575.14 : x
  2. Step 2: Convert to fraction form
    57,138.48/85,725.27 = 25,575.14/x
  3. Step 3: Cross multiply
    57,138.48x = 85,725.27 × 25,575.14
  4. Step 4: Simplify right side
    57,138.48x = 2,192,435,996.10
  5. Step 5: Solve for x
    x = 2,192,435,996.10/57,138.48
  6. Step 6: Final answer
    x = 38,370.57

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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.