Home / 31,484.35-47,235.71-11,758.37

Finding the Fourth Proportional to 31,484.35, 47,235.71 and 11,758.37

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Solution

The fourth proportional to 31,484.35, 47,235.71 and 11,758.37 is: 17,640.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,484.35 : 47,235.71 = 11,758.37 : x
  2. Step 2: Convert to fraction form
    31,484.35/47,235.71 = 11,758.37/x
  3. Step 3: Cross multiply
    31,484.35x = 47,235.71 × 11,758.37
  4. Step 4: Simplify right side
    31,484.35x = 555,414,682.47
  5. Step 5: Solve for x
    x = 555,414,682.47/31,484.35
  6. Step 6: Final answer
    x = 17,640.98

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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.