Home / 38,650.97-57,975.70-12,355.69

Finding the Fourth Proportional to 38,650.97, 57,975.70 and 12,355.69

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Solution

The fourth proportional to 38,650.97, 57,975.70 and 12,355.69 is: 18,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,650.97 : 57,975.70 = 12,355.69 : x
  2. Step 2: Convert to fraction form
    38,650.97/57,975.70 = 12,355.69/x
  3. Step 3: Cross multiply
    38,650.97x = 57,975.70 × 12,355.69
  4. Step 4: Simplify right side
    38,650.97x = 716,329,732.78
  5. Step 5: Solve for x
    x = 716,329,732.78/38,650.97
  6. Step 6: Final answer
    x = 18,533.29

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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.