Home / 39,085.68-58,635.76-12,791.84

Finding the Fourth Proportional to 39,085.68, 58,635.76 and 12,791.84

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Solution

The fourth proportional to 39,085.68, 58,635.76 and 12,791.84 is: 19,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,085.68 : 58,635.76 = 12,791.84 : x
  2. Step 2: Convert to fraction form
    39,085.68/58,635.76 = 12,791.84/x
  3. Step 3: Cross multiply
    39,085.68x = 58,635.76 × 12,791.84
  4. Step 4: Simplify right side
    39,085.68x = 750,059,260.20
  5. Step 5: Solve for x
    x = 750,059,260.20/39,085.68
  6. Step 6: Final answer
    x = 19,190.13

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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.