Home / 38,958.81-58,403.13-13,992.99

Finding the Fourth Proportional to 38,958.81, 58,403.13 and 13,992.99

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Solution

The fourth proportional to 38,958.81, 58,403.13 and 13,992.99 is: 20,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,958.81 : 58,403.13 = 13,992.99 : x
  2. Step 2: Convert to fraction form
    38,958.81/58,403.13 = 13,992.99/x
  3. Step 3: Cross multiply
    38,958.81x = 58,403.13 × 13,992.99
  4. Step 4: Simplify right side
    38,958.81x = 817,234,414.06
  5. Step 5: Solve for x
    x = 817,234,414.06/38,958.81
  6. Step 6: Final answer
    x = 20,976.88

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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.