Home / 38,498.78-57,750.23-12,205.58

Finding the Fourth Proportional to 38,498.78, 57,750.23 and 12,205.58

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Solution

The fourth proportional to 38,498.78, 57,750.23 and 12,205.58 is: 18,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,498.78 : 57,750.23 = 12,205.58 : x
  2. Step 2: Convert to fraction form
    38,498.78/57,750.23 = 12,205.58/x
  3. Step 3: Cross multiply
    38,498.78x = 57,750.23 × 12,205.58
  4. Step 4: Simplify right side
    38,498.78x = 704,874,991.26
  5. Step 5: Solve for x
    x = 704,874,991.26/38,498.78
  6. Step 6: Final answer
    x = 18,309.02

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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.