Home / 20,305.46-30,426.77-14,077.64

Finding the Fourth Proportional to 20,305.46, 30,426.77 and 14,077.64

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Solution

The fourth proportional to 20,305.46, 30,426.77 and 14,077.64 is: 21,094.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,305.46 : 30,426.77 = 14,077.64 : x
  2. Step 2: Convert to fraction form
    20,305.46/30,426.77 = 14,077.64/x
  3. Step 3: Cross multiply
    20,305.46x = 30,426.77 × 14,077.64
  4. Step 4: Simplify right side
    20,305.46x = 428,336,891.90
  5. Step 5: Solve for x
    x = 428,336,891.90/20,305.46
  6. Step 6: Final answer
    x = 21,094.67

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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.