Home / 38,279.51-57,419.13-9,816.43

Finding the Fourth Proportional to 38,279.51, 57,419.13 and 9,816.43

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Solution

The fourth proportional to 38,279.51, 57,419.13 and 9,816.43 is: 14,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.51 : 57,419.13 = 9,816.43 : x
  2. Step 2: Convert to fraction form
    38,279.51/57,419.13 = 9,816.43/x
  3. Step 3: Cross multiply
    38,279.51x = 57,419.13 × 9,816.43
  4. Step 4: Simplify right side
    38,279.51x = 563,650,776.68
  5. Step 5: Solve for x
    x = 563,650,776.68/38,279.51
  6. Step 6: Final answer
    x = 14,724.61

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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.