Home / 35,122.67-52,678.82-12,930.89

Finding the Fourth Proportional to 35,122.67, 52,678.82 and 12,930.89

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Solution

The fourth proportional to 35,122.67, 52,678.82 and 12,930.89 is: 19,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,122.67 : 52,678.82 = 12,930.89 : x
  2. Step 2: Convert to fraction form
    35,122.67/52,678.82 = 12,930.89/x
  3. Step 3: Cross multiply
    35,122.67x = 52,678.82 × 12,930.89
  4. Step 4: Simplify right side
    35,122.67x = 681,183,698.70
  5. Step 5: Solve for x
    x = 681,183,698.70/35,122.67
  6. Step 6: Final answer
    x = 19,394.42

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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.