Home / 40,408.64-55,759.93-22,505.31

Finding the Fourth Proportional to 40,408.64, 55,759.93 and 22,505.31

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Solution

The fourth proportional to 40,408.64, 55,759.93 and 22,505.31 is: 31,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.64 : 55,759.93 = 22,505.31 : x
  2. Step 2: Convert to fraction form
    40,408.64/55,759.93 = 22,505.31/x
  3. Step 3: Cross multiply
    40,408.64x = 55,759.93 × 22,505.31
  4. Step 4: Simplify right side
    40,408.64x = 1,254,894,453.97
  5. Step 5: Solve for x
    x = 1,254,894,453.97/40,408.64
  6. Step 6: Final answer
    x = 31,055.10

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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.