Home / 31,957.58-47,907.21-11,169.74

Finding the Fourth Proportional to 31,957.58, 47,907.21 and 11,169.74

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Solution

The fourth proportional to 31,957.58, 47,907.21 and 11,169.74 is: 16,744.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,957.58 : 47,907.21 = 11,169.74 : x
  2. Step 2: Convert to fraction form
    31,957.58/47,907.21 = 11,169.74/x
  3. Step 3: Cross multiply
    31,957.58x = 47,907.21 × 11,169.74
  4. Step 4: Simplify right side
    31,957.58x = 535,111,079.83
  5. Step 5: Solve for x
    x = 535,111,079.83/31,957.58
  6. Step 6: Final answer
    x = 16,744.42

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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.