Home / 31,776-47,633.01-15,131.58

Finding the Fourth Proportional to 31,776, 47,633.01 and 15,131.58

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Solution

The fourth proportional to 31,776, 47,633.01 and 15,131.58 is: 22,682.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776 : 47,633.01 = 15,131.58 : x
  2. Step 2: Convert to fraction form
    31,776/47,633.01 = 15,131.58/x
  3. Step 3: Cross multiply
    31,776x = 47,633.01 × 15,131.58
  4. Step 4: Simplify right side
    31,776x = 720,762,701.46
  5. Step 5: Solve for x
    x = 720,762,701.46/31,776
  6. Step 6: Final answer
    x = 22,682.61

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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.