Home / 57,589.31-79,436.85-39,653.16

Finding the Fourth Proportional to 57,589.31, 79,436.85 and 39,653.16

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Solution

The fourth proportional to 57,589.31, 79,436.85 and 39,653.16 is: 54,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,589.31 : 79,436.85 = 39,653.16 : x
  2. Step 2: Convert to fraction form
    57,589.31/79,436.85 = 39,653.16/x
  3. Step 3: Cross multiply
    57,589.31x = 79,436.85 × 39,653.16
  4. Step 4: Simplify right side
    57,589.31x = 3,149,922,122.95
  5. Step 5: Solve for x
    x = 3,149,922,122.95/57,589.31
  6. Step 6: Final answer
    x = 54,696.30

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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.