Home / 39,170.90-58,682.34-30,362.69

Finding the Fourth Proportional to 39,170.90, 58,682.34 and 30,362.69

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Solution

The fourth proportional to 39,170.90, 58,682.34 and 30,362.69 is: 45,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,170.90 : 58,682.34 = 30,362.69 : x
  2. Step 2: Convert to fraction form
    39,170.90/58,682.34 = 30,362.69/x
  3. Step 3: Cross multiply
    39,170.90x = 58,682.34 × 30,362.69
  4. Step 4: Simplify right side
    39,170.90x = 1,781,753,404.48
  5. Step 5: Solve for x
    x = 1,781,753,404.48/39,170.90
  6. Step 6: Final answer
    x = 45,486.67

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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.