Home / 38,403.72-57,594.30-13,439.12

Finding the Fourth Proportional to 38,403.72, 57,594.30 and 13,439.12

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Solution

The fourth proportional to 38,403.72, 57,594.30 and 13,439.12 is: 20,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,403.72 : 57,594.30 = 13,439.12 : x
  2. Step 2: Convert to fraction form
    38,403.72/57,594.30 = 13,439.12/x
  3. Step 3: Cross multiply
    38,403.72x = 57,594.30 × 13,439.12
  4. Step 4: Simplify right side
    38,403.72x = 774,016,465.14
  5. Step 5: Solve for x
    x = 774,016,465.14/38,403.72
  6. Step 6: Final answer
    x = 20,154.73

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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.