Home / 40,112.64-55,352.16-23,116.32

Finding the Fourth Proportional to 40,112.64, 55,352.16 and 23,116.32

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Solution

The fourth proportional to 40,112.64, 55,352.16 and 23,116.32 is: 31,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112.64 : 55,352.16 = 23,116.32 : x
  2. Step 2: Convert to fraction form
    40,112.64/55,352.16 = 23,116.32/x
  3. Step 3: Cross multiply
    40,112.64x = 55,352.16 × 23,116.32
  4. Step 4: Simplify right side
    40,112.64x = 1,279,538,243.25
  5. Step 5: Solve for x
    x = 1,279,538,243.25/40,112.64
  6. Step 6: Final answer
    x = 31,898.63

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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.