Home / 53,093.76-73,272.78-31,577.64

Finding the Fourth Proportional to 53,093.76, 73,272.78 and 31,577.64

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Solution

The fourth proportional to 53,093.76, 73,272.78 and 31,577.64 is: 43,579.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,093.76 : 73,272.78 = 31,577.64 : x
  2. Step 2: Convert to fraction form
    53,093.76/73,272.78 = 31,577.64/x
  3. Step 3: Cross multiply
    53,093.76x = 73,272.78 × 31,577.64
  4. Step 4: Simplify right side
    53,093.76x = 2,313,781,468.64
  5. Step 5: Solve for x
    x = 2,313,781,468.64/53,093.76
  6. Step 6: Final answer
    x = 43,579.16

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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.