Home / 34,356.15-47,413.76-20,924.73

Finding the Fourth Proportional to 34,356.15, 47,413.76 and 20,924.73

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Solution

The fourth proportional to 34,356.15, 47,413.76 and 20,924.73 is: 28,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,356.15 : 47,413.76 = 20,924.73 : x
  2. Step 2: Convert to fraction form
    34,356.15/47,413.76 = 20,924.73/x
  3. Step 3: Cross multiply
    34,356.15x = 47,413.76 × 20,924.73
  4. Step 4: Simplify right side
    34,356.15x = 992,120,021.66
  5. Step 5: Solve for x
    x = 992,120,021.66/34,356.15
  6. Step 6: Final answer
    x = 28,877.51

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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.