Home / 31,523.91-47,146.44-28,038.39

Finding the Fourth Proportional to 31,523.91, 47,146.44 and 28,038.39

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Solution

The fourth proportional to 31,523.91, 47,146.44 and 28,038.39 is: 41,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,523.91 : 47,146.44 = 28,038.39 : x
  2. Step 2: Convert to fraction form
    31,523.91/47,146.44 = 28,038.39/x
  3. Step 3: Cross multiply
    31,523.91x = 47,146.44 × 28,038.39
  4. Step 4: Simplify right side
    31,523.91x = 1,321,910,271.83
  5. Step 5: Solve for x
    x = 1,321,910,271.83/31,523.91
  6. Step 6: Final answer
    x = 41,933.58

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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.