Home / 30,253.57-41,743.01-18,314.37

Finding the Fourth Proportional to 30,253.57, 41,743.01 and 18,314.37

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Solution

The fourth proportional to 30,253.57, 41,743.01 and 18,314.37 is: 25,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253.57 : 41,743.01 = 18,314.37 : x
  2. Step 2: Convert to fraction form
    30,253.57/41,743.01 = 18,314.37/x
  3. Step 3: Cross multiply
    30,253.57x = 41,743.01 × 18,314.37
  4. Step 4: Simplify right side
    30,253.57x = 764,496,975.84
  5. Step 5: Solve for x
    x = 764,496,975.84/30,253.57
  6. Step 6: Final answer
    x = 25,269.65

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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.