Home / 39,267.36-58,910.76-18,486

Finding the Fourth Proportional to 39,267.36, 58,910.76 and 18,486

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Solution

The fourth proportional to 39,267.36, 58,910.76 and 18,486 is: 27,733.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,267.36 : 58,910.76 = 18,486 : x
  2. Step 2: Convert to fraction form
    39,267.36/58,910.76 = 18,486/x
  3. Step 3: Cross multiply
    39,267.36x = 58,910.76 × 18,486
  4. Step 4: Simplify right side
    39,267.36x = 1,089,024,309.36
  5. Step 5: Solve for x
    x = 1,089,024,309.36/39,267.36
  6. Step 6: Final answer
    x = 27,733.58

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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.