Home / 31,374.36-47,048.04-11,638.44

Finding the Fourth Proportional to 31,374.36, 47,048.04 and 11,638.44

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Solution

The fourth proportional to 31,374.36, 47,048.04 and 11,638.44 is: 17,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,374.36 : 47,048.04 = 11,638.44 : x
  2. Step 2: Convert to fraction form
    31,374.36/47,048.04 = 11,638.44/x
  3. Step 3: Cross multiply
    31,374.36x = 47,048.04 × 11,638.44
  4. Step 4: Simplify right side
    31,374.36x = 547,565,790.66
  5. Step 5: Solve for x
    x = 547,565,790.66/31,374.36
  6. Step 6: Final answer
    x = 17,452.65

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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.