Home / 38,396.42-57,620.58-13,436.69

Finding the Fourth Proportional to 38,396.42, 57,620.58 and 13,436.69

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Solution

The fourth proportional to 38,396.42, 57,620.58 and 13,436.69 is: 20,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,396.42 : 57,620.58 = 13,436.69 : x
  2. Step 2: Convert to fraction form
    38,396.42/57,620.58 = 13,436.69/x
  3. Step 3: Cross multiply
    38,396.42x = 57,620.58 × 13,436.69
  4. Step 4: Simplify right side
    38,396.42x = 774,229,871.08
  5. Step 5: Solve for x
    x = 774,229,871.08/38,396.42
  6. Step 6: Final answer
    x = 20,164.12

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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.