Home / 35,928.54-49,580.66-20,820.81

Finding the Fourth Proportional to 35,928.54, 49,580.66 and 20,820.81

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Solution

The fourth proportional to 35,928.54, 49,580.66 and 20,820.81 is: 28,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,928.54 : 49,580.66 = 20,820.81 : x
  2. Step 2: Convert to fraction form
    35,928.54/49,580.66 = 20,820.81/x
  3. Step 3: Cross multiply
    35,928.54x = 49,580.66 × 20,820.81
  4. Step 4: Simplify right side
    35,928.54x = 1,032,309,413.23
  5. Step 5: Solve for x
    x = 1,032,309,413.23/35,928.54
  6. Step 6: Final answer
    x = 28,732.30

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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.