Home / 30,453.54-45,685.23-9,388.65

Finding the Fourth Proportional to 30,453.54, 45,685.23 and 9,388.65

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Solution

The fourth proportional to 30,453.54, 45,685.23 and 9,388.65 is: 14,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,453.54 : 45,685.23 = 9,388.65 : x
  2. Step 2: Convert to fraction form
    30,453.54/45,685.23 = 9,388.65/x
  3. Step 3: Cross multiply
    30,453.54x = 45,685.23 × 9,388.65
  4. Step 4: Simplify right side
    30,453.54x = 428,922,359.27
  5. Step 5: Solve for x
    x = 428,922,359.27/30,453.54
  6. Step 6: Final answer
    x = 14,084.49

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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.