Home / 55,743.78-76,925.66-30,593.28

Finding the Fourth Proportional to 55,743.78, 76,925.66 and 30,593.28

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Solution

The fourth proportional to 55,743.78, 76,925.66 and 30,593.28 is: 42,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743.78 : 76,925.66 = 30,593.28 : x
  2. Step 2: Convert to fraction form
    55,743.78/76,925.66 = 30,593.28/x
  3. Step 3: Cross multiply
    55,743.78x = 76,925.66 × 30,593.28
  4. Step 4: Simplify right side
    55,743.78x = 2,353,408,102.60
  5. Step 5: Solve for x
    x = 2,353,408,102.60/55,743.78
  6. Step 6: Final answer
    x = 42,218.31

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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.