Home / 55,563.93-76,678.53-30,413.43

Finding the Fourth Proportional to 55,563.93, 76,678.53 and 30,413.43

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Solution

The fourth proportional to 55,563.93, 76,678.53 and 30,413.43 is: 41,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,563.93 : 76,678.53 = 30,413.43 : x
  2. Step 2: Convert to fraction form
    55,563.93/76,678.53 = 30,413.43/x
  3. Step 3: Cross multiply
    55,563.93x = 76,678.53 × 30,413.43
  4. Step 4: Simplify right side
    55,563.93x = 2,332,057,104.66
  5. Step 5: Solve for x
    x = 2,332,057,104.66/55,563.93
  6. Step 6: Final answer
    x = 41,970.70

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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.