Home / 31,011.80-46,518.23-8,825.75

Finding the Fourth Proportional to 31,011.80, 46,518.23 and 8,825.75

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Solution

The fourth proportional to 31,011.80, 46,518.23 and 8,825.75 is: 13,238.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,011.80 : 46,518.23 = 8,825.75 : x
  2. Step 2: Convert to fraction form
    31,011.80/46,518.23 = 8,825.75/x
  3. Step 3: Cross multiply
    31,011.80x = 46,518.23 × 8,825.75
  4. Step 4: Simplify right side
    31,011.80x = 410,558,268.42
  5. Step 5: Solve for x
    x = 410,558,268.42/31,011.80
  6. Step 6: Final answer
    x = 13,238.78

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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.