Home / 38,149.75-57,150.83-21,459.07

Finding the Fourth Proportional to 38,149.75, 57,150.83 and 21,459.07

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Solution

The fourth proportional to 38,149.75, 57,150.83 and 21,459.07 is: 32,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,149.75 : 57,150.83 = 21,459.07 : x
  2. Step 2: Convert to fraction form
    38,149.75/57,150.83 = 21,459.07/x
  3. Step 3: Cross multiply
    38,149.75x = 57,150.83 × 21,459.07
  4. Step 4: Simplify right side
    38,149.75x = 1,226,403,665.91
  5. Step 5: Solve for x
    x = 1,226,403,665.91/38,149.75
  6. Step 6: Final answer
    x = 32,147.09

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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.