Home / 39,190.68-58,794.54-12,894.12

Finding the Fourth Proportional to 39,190.68, 58,794.54 and 12,894.12

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Solution

The fourth proportional to 39,190.68, 58,794.54 and 12,894.12 is: 19,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,190.68 : 58,794.54 = 12,894.12 : x
  2. Step 2: Convert to fraction form
    39,190.68/58,794.54 = 12,894.12/x
  3. Step 3: Cross multiply
    39,190.68x = 58,794.54 × 12,894.12
  4. Step 4: Simplify right side
    39,190.68x = 758,103,854.10
  5. Step 5: Solve for x
    x = 758,103,854.10/39,190.68
  6. Step 6: Final answer
    x = 19,343.98

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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.