Home / 31,120.80-46,667.52-11,394.24

Finding the Fourth Proportional to 31,120.80, 46,667.52 and 11,394.24

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Solution

The fourth proportional to 31,120.80, 46,667.52 and 11,394.24 is: 17,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,120.80 : 46,667.52 = 11,394.24 : x
  2. Step 2: Convert to fraction form
    31,120.80/46,667.52 = 11,394.24/x
  3. Step 3: Cross multiply
    31,120.80x = 46,667.52 × 11,394.24
  4. Step 4: Simplify right side
    31,120.80x = 531,740,923.08
  5. Step 5: Solve for x
    x = 531,740,923.08/31,120.80
  6. Step 6: Final answer
    x = 17,086.35

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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.