Home / 38,495.40-57,732.30-12,208.20

Finding the Fourth Proportional to 38,495.40, 57,732.30 and 12,208.20

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Solution

The fourth proportional to 38,495.40, 57,732.30 and 12,208.20 is: 18,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,495.40 : 57,732.30 = 12,208.20 : x
  2. Step 2: Convert to fraction form
    38,495.40/57,732.30 = 12,208.20/x
  3. Step 3: Cross multiply
    38,495.40x = 57,732.30 × 12,208.20
  4. Step 4: Simplify right side
    38,495.40x = 704,807,464.86
  5. Step 5: Solve for x
    x = 704,807,464.86/38,495.40
  6. Step 6: Final answer
    x = 18,308.87

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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.