Home / 57,539.34-79,382.80-57,450.64

Finding the Fourth Proportional to 57,539.34, 79,382.80 and 57,450.64

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Solution

The fourth proportional to 57,539.34, 79,382.80 and 57,450.64 is: 79,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,539.34 : 79,382.80 = 57,450.64 : x
  2. Step 2: Convert to fraction form
    57,539.34/79,382.80 = 57,450.64/x
  3. Step 3: Cross multiply
    57,539.34x = 79,382.80 × 57,450.64
  4. Step 4: Simplify right side
    57,539.34x = 4,560,592,466.54
  5. Step 5: Solve for x
    x = 4,560,592,466.54/57,539.34
  6. Step 6: Final answer
    x = 79,260.42

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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.