Home / 55,413.20-76,391.16-34,178.24

Finding the Fourth Proportional to 55,413.20, 76,391.16 and 34,178.24

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Solution

The fourth proportional to 55,413.20, 76,391.16 and 34,178.24 is: 47,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,413.20 : 76,391.16 = 34,178.24 : x
  2. Step 2: Convert to fraction form
    55,413.20/76,391.16 = 34,178.24/x
  3. Step 3: Cross multiply
    55,413.20x = 76,391.16 × 34,178.24
  4. Step 4: Simplify right side
    55,413.20x = 2,610,915,400.36
  5. Step 5: Solve for x
    x = 2,610,915,400.36/55,413.20
  6. Step 6: Final answer
    x = 47,117.21

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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.