Home / 38,716.26-58,079.79-12,429.06

Finding the Fourth Proportional to 38,716.26, 58,079.79 and 12,429.06

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Solution

The fourth proportional to 38,716.26, 58,079.79 and 12,429.06 is: 18,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,716.26 : 58,079.79 = 12,429.06 : x
  2. Step 2: Convert to fraction form
    38,716.26/58,079.79 = 12,429.06/x
  3. Step 3: Cross multiply
    38,716.26x = 58,079.79 × 12,429.06
  4. Step 4: Simplify right side
    38,716.26x = 721,877,194.70
  5. Step 5: Solve for x
    x = 721,877,194.70/38,716.26
  6. Step 6: Final answer
    x = 18,645.32

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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.