Home / 39,033.78-58,568.78-12,383.97

Finding the Fourth Proportional to 39,033.78, 58,568.78 and 12,383.97

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Solution

The fourth proportional to 39,033.78, 58,568.78 and 12,383.97 is: 18,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033.78 : 58,568.78 = 12,383.97 : x
  2. Step 2: Convert to fraction form
    39,033.78/58,568.78 = 12,383.97/x
  3. Step 3: Cross multiply
    39,033.78x = 58,568.78 × 12,383.97
  4. Step 4: Simplify right side
    39,033.78x = 725,314,014.46
  5. Step 5: Solve for x
    x = 725,314,014.46/39,033.78
  6. Step 6: Final answer
    x = 18,581.70

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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.