Home / 31,364.20-47,060.85-11,649.61

Finding the Fourth Proportional to 31,364.20, 47,060.85 and 11,649.61

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Solution

The fourth proportional to 31,364.20, 47,060.85 and 11,649.61 is: 17,479.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,364.20 : 47,060.85 = 11,649.61 : x
  2. Step 2: Convert to fraction form
    31,364.20/47,060.85 = 11,649.61/x
  3. Step 3: Cross multiply
    31,364.20x = 47,060.85 × 11,649.61
  4. Step 4: Simplify right side
    31,364.20x = 548,240,548.77
  5. Step 5: Solve for x
    x = 548,240,548.77/31,364.20
  6. Step 6: Final answer
    x = 17,479.82

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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.