Home / 31,759.80-47,646.96-10,983.28

Finding the Fourth Proportional to 31,759.80, 47,646.96 and 10,983.28

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Solution

The fourth proportional to 31,759.80, 47,646.96 and 10,983.28 is: 16,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,759.80 : 47,646.96 = 10,983.28 : x
  2. Step 2: Convert to fraction form
    31,759.80/47,646.96 = 10,983.28/x
  3. Step 3: Cross multiply
    31,759.80x = 47,646.96 × 10,983.28
  4. Step 4: Simplify right side
    31,759.80x = 523,319,902.83
  5. Step 5: Solve for x
    x = 523,319,902.83/31,759.80
  6. Step 6: Final answer
    x = 16,477.43

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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.