Home / 31,919.19-47,886.54-9,732.96

Finding the Fourth Proportional to 31,919.19, 47,886.54 and 9,732.96

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Solution

The fourth proportional to 31,919.19, 47,886.54 and 9,732.96 is: 14,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,919.19 : 47,886.54 = 9,732.96 : x
  2. Step 2: Convert to fraction form
    31,919.19/47,886.54 = 9,732.96/x
  3. Step 3: Cross multiply
    31,919.19x = 47,886.54 × 9,732.96
  4. Step 4: Simplify right side
    31,919.19x = 466,077,778.36
  5. Step 5: Solve for x
    x = 466,077,778.36/31,919.19
  6. Step 6: Final answer
    x = 14,601.80

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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.