Home / 31,014.39-42,800.30-23,239.44

Finding the Fourth Proportional to 31,014.39, 42,800.30 and 23,239.44

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Solution

The fourth proportional to 31,014.39, 42,800.30 and 23,239.44 is: 32,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,014.39 : 42,800.30 = 23,239.44 : x
  2. Step 2: Convert to fraction form
    31,014.39/42,800.30 = 23,239.44/x
  3. Step 3: Cross multiply
    31,014.39x = 42,800.30 × 23,239.44
  4. Step 4: Simplify right side
    31,014.39x = 994,654,974.78
  5. Step 5: Solve for x
    x = 994,654,974.78/31,014.39
  6. Step 6: Final answer
    x = 32,070.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.