Home / 20,251.32-30,384.24-14,453.32

Finding the Fourth Proportional to 20,251.32, 30,384.24 and 14,453.32

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Solution

The fourth proportional to 20,251.32, 30,384.24 and 14,453.32 is: 21,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.32 : 30,384.24 = 14,453.32 : x
  2. Step 2: Convert to fraction form
    20,251.32/30,384.24 = 14,453.32/x
  3. Step 3: Cross multiply
    20,251.32x = 30,384.24 × 14,453.32
  4. Step 4: Simplify right side
    20,251.32x = 439,153,143.68
  5. Step 5: Solve for x
    x = 439,153,143.68/20,251.32
  6. Step 6: Final answer
    x = 21,685.16

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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.