Home / 55,413.86-76,471.11-30,263.36

Finding the Fourth Proportional to 55,413.86, 76,471.11 and 30,263.36

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Solution

The fourth proportional to 55,413.86, 76,471.11 and 30,263.36 is: 41,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,413.86 : 76,471.11 = 30,263.36 : x
  2. Step 2: Convert to fraction form
    55,413.86/76,471.11 = 30,263.36/x
  3. Step 3: Cross multiply
    55,413.86x = 76,471.11 × 30,263.36
  4. Step 4: Simplify right side
    55,413.86x = 2,314,272,349.17
  5. Step 5: Solve for x
    x = 2,314,272,349.17/55,413.86
  6. Step 6: Final answer
    x = 41,763.42

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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.