Home / 38,326.10-57,474.81-13,359.74

Finding the Fourth Proportional to 38,326.10, 57,474.81 and 13,359.74

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Solution

The fourth proportional to 38,326.10, 57,474.81 and 13,359.74 is: 20,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,326.10 : 57,474.81 = 13,359.74 : x
  2. Step 2: Convert to fraction form
    38,326.10/57,474.81 = 13,359.74/x
  3. Step 3: Cross multiply
    38,326.10x = 57,474.81 × 13,359.74
  4. Step 4: Simplify right side
    38,326.10x = 767,848,518.15
  5. Step 5: Solve for x
    x = 767,848,518.15/38,326.10
  6. Step 6: Final answer
    x = 20,034.61

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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.