Home / 31,375.61-43,298.48-17,228.44

Finding the Fourth Proportional to 31,375.61, 43,298.48 and 17,228.44

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Solution

The fourth proportional to 31,375.61, 43,298.48 and 17,228.44 is: 23,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375.61 : 43,298.48 = 17,228.44 : x
  2. Step 2: Convert to fraction form
    31,375.61/43,298.48 = 17,228.44/x
  3. Step 3: Cross multiply
    31,375.61x = 43,298.48 × 17,228.44
  4. Step 4: Simplify right side
    31,375.61x = 745,965,199.60
  5. Step 5: Solve for x
    x = 745,965,199.60/31,375.61
  6. Step 6: Final answer
    x = 23,775.32

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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.