Home / 20,776.46-31,179.63-14,096.33

Finding the Fourth Proportional to 20,776.46, 31,179.63 and 14,096.33

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Solution

The fourth proportional to 20,776.46, 31,179.63 and 14,096.33 is: 21,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776.46 : 31,179.63 = 14,096.33 : x
  2. Step 2: Convert to fraction form
    20,776.46/31,179.63 = 14,096.33/x
  3. Step 3: Cross multiply
    20,776.46x = 31,179.63 × 14,096.33
  4. Step 4: Simplify right side
    20,776.46x = 439,518,353.76
  5. Step 5: Solve for x
    x = 439,518,353.76/20,776.46
  6. Step 6: Final answer
    x = 21,154.63

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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.