Home / 35,409.87-53,120.52-14,351.22

Finding the Fourth Proportional to 35,409.87, 53,120.52 and 14,351.22

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Solution

The fourth proportional to 35,409.87, 53,120.52 and 14,351.22 is: 21,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,409.87 : 53,120.52 = 14,351.22 : x
  2. Step 2: Convert to fraction form
    35,409.87/53,120.52 = 14,351.22/x
  3. Step 3: Cross multiply
    35,409.87x = 53,120.52 × 14,351.22
  4. Step 4: Simplify right side
    35,409.87x = 762,344,269.03
  5. Step 5: Solve for x
    x = 762,344,269.03/35,409.87
  6. Step 6: Final answer
    x = 21,529.15

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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.