Home / 57,539.28-79,382.72-57,450.57

Finding the Fourth Proportional to 57,539.28, 79,382.72 and 57,450.57

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Solution

The fourth proportional to 57,539.28, 79,382.72 and 57,450.57 is: 79,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,539.28 : 79,382.72 = 57,450.57 : x
  2. Step 2: Convert to fraction form
    57,539.28/79,382.72 = 57,450.57/x
  3. Step 3: Cross multiply
    57,539.28x = 79,382.72 × 57,450.57
  4. Step 4: Simplify right side
    57,539.28x = 4,560,582,522.58
  5. Step 5: Solve for x
    x = 4,560,582,522.58/57,539.28
  6. Step 6: Final answer
    x = 79,260.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.