Home / 31,977.98-47,958.66-13,263.34

Finding the Fourth Proportional to 31,977.98, 47,958.66 and 13,263.34

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Solution

The fourth proportional to 31,977.98, 47,958.66 and 13,263.34 is: 19,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977.98 : 47,958.66 = 13,263.34 : x
  2. Step 2: Convert to fraction form
    31,977.98/47,958.66 = 13,263.34/x
  3. Step 3: Cross multiply
    31,977.98x = 47,958.66 × 13,263.34
  4. Step 4: Simplify right side
    31,977.98x = 636,092,013.52
  5. Step 5: Solve for x
    x = 636,092,013.52/31,977.98
  6. Step 6: Final answer
    x = 19,891.56

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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.