Home / 53,408.32-80,112.75-13,965.52

Finding the Fourth Proportional to 53,408.32, 80,112.75 and 13,965.52

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Solution

The fourth proportional to 53,408.32, 80,112.75 and 13,965.52 is: 20,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,408.32 : 80,112.75 = 13,965.52 : x
  2. Step 2: Convert to fraction form
    53,408.32/80,112.75 = 13,965.52/x
  3. Step 3: Cross multiply
    53,408.32x = 80,112.75 × 13,965.52
  4. Step 4: Simplify right side
    53,408.32x = 1,118,816,212.38
  5. Step 5: Solve for x
    x = 1,118,816,212.38/53,408.32
  6. Step 6: Final answer
    x = 20,948.35

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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.