Home / 34,009.79-51,001.01-12,942.60

Finding the Fourth Proportional to 34,009.79, 51,001.01 and 12,942.60

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Solution

The fourth proportional to 34,009.79, 51,001.01 and 12,942.60 is: 19,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,009.79 : 51,001.01 = 12,942.60 : x
  2. Step 2: Convert to fraction form
    34,009.79/51,001.01 = 12,942.60/x
  3. Step 3: Cross multiply
    34,009.79x = 51,001.01 × 12,942.60
  4. Step 4: Simplify right side
    34,009.79x = 660,085,704.38
  5. Step 5: Solve for x
    x = 660,085,704.38/34,009.79
  6. Step 6: Final answer
    x = 19,408.70

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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.