Home / 38,609.60-57,919.92-12,314.64

Finding the Fourth Proportional to 38,609.60, 57,919.92 and 12,314.64

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Solution

The fourth proportional to 38,609.60, 57,919.92 and 12,314.64 is: 18,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,609.60 : 57,919.92 = 12,314.64 : x
  2. Step 2: Convert to fraction form
    38,609.60/57,919.92 = 12,314.64/x
  3. Step 3: Cross multiply
    38,609.60x = 57,919.92 × 12,314.64
  4. Step 4: Simplify right side
    38,609.60x = 713,262,963.63
  5. Step 5: Solve for x
    x = 713,262,963.63/38,609.60
  6. Step 6: Final answer
    x = 18,473.72

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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.