Home / 48,201.87-66,509.30-31,203.75

Finding the Fourth Proportional to 48,201.87, 66,509.30 and 31,203.75

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Solution

The fourth proportional to 48,201.87, 66,509.30 and 31,203.75 is: 43,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,201.87 : 66,509.30 = 31,203.75 : x
  2. Step 2: Convert to fraction form
    48,201.87/66,509.30 = 31,203.75/x
  3. Step 3: Cross multiply
    48,201.87x = 66,509.30 × 31,203.75
  4. Step 4: Simplify right side
    48,201.87x = 2,075,339,413.86
  5. Step 5: Solve for x
    x = 2,075,339,413.86/48,201.87
  6. Step 6: Final answer
    x = 43,055.16

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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.