Home / 31,536.24-47,302.80-11,813.28

Finding the Fourth Proportional to 31,536.24, 47,302.80 and 11,813.28

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Solution

The fourth proportional to 31,536.24, 47,302.80 and 11,813.28 is: 17,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.24 : 47,302.80 = 11,813.28 : x
  2. Step 2: Convert to fraction form
    31,536.24/47,302.80 = 11,813.28/x
  3. Step 3: Cross multiply
    31,536.24x = 47,302.80 × 11,813.28
  4. Step 4: Simplify right side
    31,536.24x = 558,801,221.18
  5. Step 5: Solve for x
    x = 558,801,221.18/31,536.24
  6. Step 6: Final answer
    x = 17,719.34

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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.