Home / 53,529.39-80,146.26-40,341.78

Finding the Fourth Proportional to 53,529.39, 80,146.26 and 40,341.78

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Solution

The fourth proportional to 53,529.39, 80,146.26 and 40,341.78 is: 60,401.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,529.39 : 80,146.26 = 40,341.78 : x
  2. Step 2: Convert to fraction form
    53,529.39/80,146.26 = 40,341.78/x
  3. Step 3: Cross multiply
    53,529.39x = 80,146.26 × 40,341.78
  4. Step 4: Simplify right side
    53,529.39x = 3,233,242,788.74
  5. Step 5: Solve for x
    x = 3,233,242,788.74/53,529.39
  6. Step 6: Final answer
    x = 60,401.26

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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.