Home / 31,518.44-47,281.77-11,524.82

Finding the Fourth Proportional to 31,518.44, 47,281.77 and 11,524.82

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Solution

The fourth proportional to 31,518.44, 47,281.77 and 11,524.82 is: 17,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.44 : 47,281.77 = 11,524.82 : x
  2. Step 2: Convert to fraction form
    31,518.44/47,281.77 = 11,524.82/x
  3. Step 3: Cross multiply
    31,518.44x = 47,281.77 × 11,524.82
  4. Step 4: Simplify right side
    31,518.44x = 544,913,935.95
  5. Step 5: Solve for x
    x = 544,913,935.95/31,518.44
  6. Step 6: Final answer
    x = 17,288.73

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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.