Home / 55,437.49-76,413.86-43,316.78

Finding the Fourth Proportional to 55,437.49, 76,413.86 and 43,316.78

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Solution

The fourth proportional to 55,437.49, 76,413.86 and 43,316.78 is: 59,706.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,437.49 : 76,413.86 = 43,316.78 : x
  2. Step 2: Convert to fraction form
    55,437.49/76,413.86 = 43,316.78/x
  3. Step 3: Cross multiply
    55,437.49x = 76,413.86 × 43,316.78
  4. Step 4: Simplify right side
    55,437.49x = 3,310,002,362.57
  5. Step 5: Solve for x
    x = 3,310,002,362.57/55,437.49
  6. Step 6: Final answer
    x = 59,706.93

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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.