Home / 38,620.72-57,938.64-12,327.04

Finding the Fourth Proportional to 38,620.72, 57,938.64 and 12,327.04

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Solution

The fourth proportional to 38,620.72, 57,938.64 and 12,327.04 is: 18,492.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,620.72 : 57,938.64 = 12,327.04 : x
  2. Step 2: Convert to fraction form
    38,620.72/57,938.64 = 12,327.04/x
  3. Step 3: Cross multiply
    38,620.72x = 57,938.64 × 12,327.04
  4. Step 4: Simplify right side
    38,620.72x = 714,211,932.83
  5. Step 5: Solve for x
    x = 714,211,932.83/38,620.72
  6. Step 6: Final answer
    x = 18,492.97

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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.