Home / 29,530.69-40,751.60-16,102.20

Finding the Fourth Proportional to 29,530.69, 40,751.60 and 16,102.20

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Solution

The fourth proportional to 29,530.69, 40,751.60 and 16,102.20 is: 22,220.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,530.69 : 40,751.60 = 16,102.20 : x
  2. Step 2: Convert to fraction form
    29,530.69/40,751.60 = 16,102.20/x
  3. Step 3: Cross multiply
    29,530.69x = 40,751.60 × 16,102.20
  4. Step 4: Simplify right side
    29,530.69x = 656,190,413.52
  5. Step 5: Solve for x
    x = 656,190,413.52/29,530.69
  6. Step 6: Final answer
    x = 22,220.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.