Home / 20,353.62-30,435.21-14,492.46

Finding the Fourth Proportional to 20,353.62, 30,435.21 and 14,492.46

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Solution

The fourth proportional to 20,353.62, 30,435.21 and 14,492.46 is: 21,670.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,353.62 : 30,435.21 = 14,492.46 : x
  2. Step 2: Convert to fraction form
    20,353.62/30,435.21 = 14,492.46/x
  3. Step 3: Cross multiply
    20,353.62x = 30,435.21 × 14,492.46
  4. Step 4: Simplify right side
    20,353.62x = 441,081,063.52
  5. Step 5: Solve for x
    x = 441,081,063.52/20,353.62
  6. Step 6: Final answer
    x = 21,670.89

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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.