Home / 53,606.37-80,335.44-20,291.07

Finding the Fourth Proportional to 53,606.37, 80,335.44 and 20,291.07

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Solution

The fourth proportional to 53,606.37, 80,335.44 and 20,291.07 is: 30,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,606.37 : 80,335.44 = 20,291.07 : x
  2. Step 2: Convert to fraction form
    53,606.37/80,335.44 = 20,291.07/x
  3. Step 3: Cross multiply
    53,606.37x = 80,335.44 × 20,291.07
  4. Step 4: Simplify right side
    53,606.37x = 1,630,092,036.52
  5. Step 5: Solve for x
    x = 1,630,092,036.52/53,606.37
  6. Step 6: Final answer
    x = 30,408.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.