Home / 31,445.76-43,393.44-17,296.32

Finding the Fourth Proportional to 31,445.76, 43,393.44 and 17,296.32

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Solution

The fourth proportional to 31,445.76, 43,393.44 and 17,296.32 is: 23,867.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,445.76 : 43,393.44 = 17,296.32 : x
  2. Step 2: Convert to fraction form
    31,445.76/43,393.44 = 17,296.32/x
  3. Step 3: Cross multiply
    31,445.76x = 43,393.44 × 17,296.32
  4. Step 4: Simplify right side
    31,445.76x = 750,546,824.14
  5. Step 5: Solve for x
    x = 750,546,824.14/31,445.76
  6. Step 6: Final answer
    x = 23,867.98

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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.