Home / 34,942.20-52,413.30-12,748.20

Finding the Fourth Proportional to 34,942.20, 52,413.30 and 12,748.20

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Solution

The fourth proportional to 34,942.20, 52,413.30 and 12,748.20 is: 19,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,942.20 : 52,413.30 = 12,748.20 : x
  2. Step 2: Convert to fraction form
    34,942.20/52,413.30 = 12,748.20/x
  3. Step 3: Cross multiply
    34,942.20x = 52,413.30 × 12,748.20
  4. Step 4: Simplify right side
    34,942.20x = 668,175,231.06
  5. Step 5: Solve for x
    x = 668,175,231.06/34,942.20
  6. Step 6: Final answer
    x = 19,122.30

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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.