Home / 69,251.32-103,794.96-31,779.81

Finding the Fourth Proportional to 69,251.32, 103,794.96 and 31,779.81

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Solution

The fourth proportional to 69,251.32, 103,794.96 and 31,779.81 is: 47,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,251.32 : 103,794.96 = 31,779.81 : x
  2. Step 2: Convert to fraction form
    69,251.32/103,794.96 = 31,779.81/x
  3. Step 3: Cross multiply
    69,251.32x = 103,794.96 × 31,779.81
  4. Step 4: Simplify right side
    69,251.32x = 3,298,583,588.78
  5. Step 5: Solve for x
    x = 3,298,583,588.78/69,251.32
  6. Step 6: Final answer
    x = 47,632.07

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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.