Home / 39,272.18-58,910.16-12,976.34

Finding the Fourth Proportional to 39,272.18, 58,910.16 and 12,976.34

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Solution

The fourth proportional to 39,272.18, 58,910.16 and 12,976.34 is: 19,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272.18 : 58,910.16 = 12,976.34 : x
  2. Step 2: Convert to fraction form
    39,272.18/58,910.16 = 12,976.34/x
  3. Step 3: Cross multiply
    39,272.18x = 58,910.16 × 12,976.34
  4. Step 4: Simplify right side
    39,272.18x = 764,438,265.61
  5. Step 5: Solve for x
    x = 764,438,265.61/39,272.18
  6. Step 6: Final answer
    x = 19,465.13

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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.