Home / 20,383.10-30,592.65-12,052.70

Finding the Fourth Proportional to 20,383.10, 30,592.65 and 12,052.70

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Solution

The fourth proportional to 20,383.10, 30,592.65 and 12,052.70 is: 18,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383.10 : 30,592.65 = 12,052.70 : x
  2. Step 2: Convert to fraction form
    20,383.10/30,592.65 = 12,052.70/x
  3. Step 3: Cross multiply
    20,383.10x = 30,592.65 × 12,052.70
  4. Step 4: Simplify right side
    20,383.10x = 368,724,032.66
  5. Step 5: Solve for x
    x = 368,724,032.66/20,383.10
  6. Step 6: Final answer
    x = 18,089.69

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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.