Home / 31,965.80-47,948.70-14,192.29

Finding the Fourth Proportional to 31,965.80, 47,948.70 and 14,192.29

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Solution

The fourth proportional to 31,965.80, 47,948.70 and 14,192.29 is: 21,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,965.80 : 47,948.70 = 14,192.29 : x
  2. Step 2: Convert to fraction form
    31,965.80/47,948.70 = 14,192.29/x
  3. Step 3: Cross multiply
    31,965.80x = 47,948.70 × 14,192.29
  4. Step 4: Simplify right side
    31,965.80x = 680,501,615.78
  5. Step 5: Solve for x
    x = 680,501,615.78/31,965.80
  6. Step 6: Final answer
    x = 21,288.43

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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.