Home / 31,615.23-47,404.36-11,895.33

Finding the Fourth Proportional to 31,615.23, 47,404.36 and 11,895.33

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Solution

The fourth proportional to 31,615.23, 47,404.36 and 11,895.33 is: 17,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,615.23 : 47,404.36 = 11,895.33 : x
  2. Step 2: Convert to fraction form
    31,615.23/47,404.36 = 11,895.33/x
  3. Step 3: Cross multiply
    31,615.23x = 47,404.36 × 11,895.33
  4. Step 4: Simplify right side
    31,615.23x = 563,890,505.64
  5. Step 5: Solve for x
    x = 563,890,505.64/31,615.23
  6. Step 6: Final answer
    x = 17,836.04

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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.