Home / 53,557.44-73,908-31,200

Finding the Fourth Proportional to 53,557.44, 73,908 and 31,200

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Solution

The fourth proportional to 53,557.44, 73,908 and 31,200 is: 43,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,557.44 : 73,908 = 31,200 : x
  2. Step 2: Convert to fraction form
    53,557.44/73,908 = 31,200/x
  3. Step 3: Cross multiply
    53,557.44x = 73,908 × 31,200
  4. Step 4: Simplify right side
    53,557.44x = 2,305,929,600
  5. Step 5: Solve for x
    x = 2,305,929,600/53,557.44
  6. Step 6: Final answer
    x = 43,055.26

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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.