Home / 31,702.36-43,748.92-18,273.48

Finding the Fourth Proportional to 31,702.36, 43,748.92 and 18,273.48

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Solution

The fourth proportional to 31,702.36, 43,748.92 and 18,273.48 is: 25,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,702.36 : 43,748.92 = 18,273.48 : x
  2. Step 2: Convert to fraction form
    31,702.36/43,748.92 = 18,273.48/x
  3. Step 3: Cross multiply
    31,702.36x = 43,748.92 × 18,273.48
  4. Step 4: Simplify right side
    31,702.36x = 799,445,014.64
  5. Step 5: Solve for x
    x = 799,445,014.64/31,702.36
  6. Step 6: Final answer
    x = 25,217.21

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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.