Home / 50,151.87-69,210.36-30,009.60

Finding the Fourth Proportional to 50,151.87, 69,210.36 and 30,009.60

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Solution

The fourth proportional to 50,151.87, 69,210.36 and 30,009.60 is: 41,413.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,151.87 : 69,210.36 = 30,009.60 : x
  2. Step 2: Convert to fraction form
    50,151.87/69,210.36 = 30,009.60/x
  3. Step 3: Cross multiply
    50,151.87x = 69,210.36 × 30,009.60
  4. Step 4: Simplify right side
    50,151.87x = 2,076,975,219.46
  5. Step 5: Solve for x
    x = 2,076,975,219.46/50,151.87
  6. Step 6: Final answer
    x = 41,413.71

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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.