Home / 31,673.08-47,451.30-28,173.88

Finding the Fourth Proportional to 31,673.08, 47,451.30 and 28,173.88

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Solution

The fourth proportional to 31,673.08, 47,451.30 and 28,173.88 is: 42,208.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,673.08 : 47,451.30 = 28,173.88 : x
  2. Step 2: Convert to fraction form
    31,673.08/47,451.30 = 28,173.88/x
  3. Step 3: Cross multiply
    31,673.08x = 47,451.30 × 28,173.88
  4. Step 4: Simplify right side
    31,673.08x = 1,336,887,232.04
  5. Step 5: Solve for x
    x = 1,336,887,232.04/31,673.08
  6. Step 6: Final answer
    x = 42,208.94

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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.