Home / 34,413.44-51,489.70-20,381.00

Finding the Fourth Proportional to 34,413.44, 51,489.70 and 20,381.00

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Solution

The fourth proportional to 34,413.44, 51,489.70 and 20,381.00 is: 30,494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,413.44 : 51,489.70 = 20,381.00 : x
  2. Step 2: Convert to fraction form
    34,413.44/51,489.70 = 20,381.00/x
  3. Step 3: Cross multiply
    34,413.44x = 51,489.70 × 20,381.00
  4. Step 4: Simplify right side
    34,413.44x = 1,049,411,267.30
  5. Step 5: Solve for x
    x = 1,049,411,267.30/34,413.44
  6. Step 6: Final answer
    x = 30,494.23

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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.