Home / 35,413.58-48,867.21-20,302.79

Finding the Fourth Proportional to 35,413.58, 48,867.21 and 20,302.79

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Solution

The fourth proportional to 35,413.58, 48,867.21 and 20,302.79 is: 28,015.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,413.58 : 48,867.21 = 20,302.79 : x
  2. Step 2: Convert to fraction form
    35,413.58/48,867.21 = 20,302.79/x
  3. Step 3: Cross multiply
    35,413.58x = 48,867.21 × 20,302.79
  4. Step 4: Simplify right side
    35,413.58x = 992,140,458.18
  5. Step 5: Solve for x
    x = 992,140,458.18/35,413.58
  6. Step 6: Final answer
    x = 28,015.82

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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.