Home / 39,189.68-58,793.04-12,893.12

Finding the Fourth Proportional to 39,189.68, 58,793.04 and 12,893.12

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Solution

The fourth proportional to 39,189.68, 58,793.04 and 12,893.12 is: 19,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,189.68 : 58,793.04 = 12,893.12 : x
  2. Step 2: Convert to fraction form
    39,189.68/58,793.04 = 12,893.12/x
  3. Step 3: Cross multiply
    39,189.68x = 58,793.04 × 12,893.12
  4. Step 4: Simplify right side
    39,189.68x = 758,025,719.88
  5. Step 5: Solve for x
    x = 758,025,719.88/39,189.68
  6. Step 6: Final answer
    x = 19,342.48

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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.