Home / 40,319.25-55,637.93-22,413.60

Finding the Fourth Proportional to 40,319.25, 55,637.93 and 22,413.60

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Solution

The fourth proportional to 40,319.25, 55,637.93 and 22,413.60 is: 30,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.25 : 55,637.93 = 22,413.60 : x
  2. Step 2: Convert to fraction form
    40,319.25/55,637.93 = 22,413.60/x
  3. Step 3: Cross multiply
    40,319.25x = 55,637.93 × 22,413.60
  4. Step 4: Simplify right side
    40,319.25x = 1,247,046,195.78
  5. Step 5: Solve for x
    x = 1,247,046,195.78/40,319.25
  6. Step 6: Final answer
    x = 30,929.30

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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.