Home / 39,149.35-58,728.58-12,486.04

Finding the Fourth Proportional to 39,149.35, 58,728.58 and 12,486.04

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Solution

The fourth proportional to 39,149.35, 58,728.58 and 12,486.04 is: 18,730.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,149.35 : 58,728.58 = 12,486.04 : x
  2. Step 2: Convert to fraction form
    39,149.35/58,728.58 = 12,486.04/x
  3. Step 3: Cross multiply
    39,149.35x = 58,728.58 × 12,486.04
  4. Step 4: Simplify right side
    39,149.35x = 733,287,220.99
  5. Step 5: Solve for x
    x = 733,287,220.99/39,149.35
  6. Step 6: Final answer
    x = 18,730.51

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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.