Home / 31,565.71-47,336.26-11,833.50

Finding the Fourth Proportional to 31,565.71, 47,336.26 and 11,833.50

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Solution

The fourth proportional to 31,565.71, 47,336.26 and 11,833.50 is: 17,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565.71 : 47,336.26 = 11,833.50 : x
  2. Step 2: Convert to fraction form
    31,565.71/47,336.26 = 11,833.50/x
  3. Step 3: Cross multiply
    31,565.71x = 47,336.26 × 11,833.50
  4. Step 4: Simplify right side
    31,565.71x = 560,153,632.71
  5. Step 5: Solve for x
    x = 560,153,632.71/31,565.71
  6. Step 6: Final answer
    x = 17,745.64

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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.