Home / 53,651.76-80,419.28-22,450.56

Finding the Fourth Proportional to 53,651.76, 80,419.28 and 22,450.56

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Solution

The fourth proportional to 53,651.76, 80,419.28 and 22,450.56 is: 33,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,651.76 : 80,419.28 = 22,450.56 : x
  2. Step 2: Convert to fraction form
    53,651.76/80,419.28 = 22,450.56/x
  3. Step 3: Cross multiply
    53,651.76x = 80,419.28 × 22,450.56
  4. Step 4: Simplify right side
    53,651.76x = 1,805,457,870.80
  5. Step 5: Solve for x
    x = 1,805,457,870.80/53,651.76
  6. Step 6: Final answer
    x = 33,651.42

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1.5x scale

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.