Home / 38,446.64-57,669.60-12,151.36

Finding the Fourth Proportional to 38,446.64, 57,669.60 and 12,151.36

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Solution

The fourth proportional to 38,446.64, 57,669.60 and 12,151.36 is: 18,226.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,446.64 : 57,669.60 = 12,151.36 : x
  2. Step 2: Convert to fraction form
    38,446.64/57,669.60 = 12,151.36/x
  3. Step 3: Cross multiply
    38,446.64x = 57,669.60 × 12,151.36
  4. Step 4: Simplify right side
    38,446.64x = 700,764,070.66
  5. Step 5: Solve for x
    x = 700,764,070.66/38,446.64
  6. Step 6: Final answer
    x = 18,226.93

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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.