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Finding the Fourth Proportional to 20,354.40, 30,504.88 and 14,750.88

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Solution

The fourth proportional to 20,354.40, 30,504.88 and 14,750.88 is: 22,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,354.40 : 30,504.88 = 14,750.88 : x
  2. Step 2: Convert to fraction form
    20,354.40/30,504.88 = 14,750.88/x
  3. Step 3: Cross multiply
    20,354.40x = 30,504.88 × 14,750.88
  4. Step 4: Simplify right side
    20,354.40x = 449,973,824.29
  5. Step 5: Solve for x
    x = 449,973,824.29/20,354.40
  6. Step 6: Final answer
    x = 22,106.96

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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.