Home / 31,702.44-43,749.28-18,273.58

Finding the Fourth Proportional to 31,702.44, 43,749.28 and 18,273.58

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Solution

The fourth proportional to 31,702.44, 43,749.28 and 18,273.58 is: 25,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,702.44 : 43,749.28 = 18,273.58 : x
  2. Step 2: Convert to fraction form
    31,702.44/43,749.28 = 18,273.58/x
  3. Step 3: Cross multiply
    31,702.44x = 43,749.28 × 18,273.58
  4. Step 4: Simplify right side
    31,702.44x = 799,455,968.02
  5. Step 5: Solve for x
    x = 799,455,968.02/31,702.44
  6. Step 6: Final answer
    x = 25,217.49

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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.