Home / 55,413.84-76,471.38-30,263.34

Finding the Fourth Proportional to 55,413.84, 76,471.38 and 30,263.34

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Solution

The fourth proportional to 55,413.84, 76,471.38 and 30,263.34 is: 41,763.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,413.84 : 76,471.38 = 30,263.34 : x
  2. Step 2: Convert to fraction form
    55,413.84/76,471.38 = 30,263.34/x
  3. Step 3: Cross multiply
    55,413.84x = 76,471.38 × 30,263.34
  4. Step 4: Simplify right side
    55,413.84x = 2,314,279,373.21
  5. Step 5: Solve for x
    x = 2,314,279,373.21/55,413.84
  6. Step 6: Final answer
    x = 41,763.56

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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.