Home / 29,998.36-41,415.42-20,580.76

Finding the Fourth Proportional to 29,998.36, 41,415.42 and 20,580.76

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Solution

The fourth proportional to 29,998.36, 41,415.42 and 20,580.76 is: 28,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,998.36 : 41,415.42 = 20,580.76 : x
  2. Step 2: Convert to fraction form
    29,998.36/41,415.42 = 20,580.76/x
  3. Step 3: Cross multiply
    29,998.36x = 41,415.42 × 20,580.76
  4. Step 4: Simplify right side
    29,998.36x = 852,360,819.32
  5. Step 5: Solve for x
    x = 852,360,819.32/29,998.36
  6. Step 6: Final answer
    x = 28,413.58

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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.