Home / 39,782.75-54,563.84-35,298.72

Finding the Fourth Proportional to 39,782.75, 54,563.84 and 35,298.72

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Solution

The fourth proportional to 39,782.75, 54,563.84 and 35,298.72 is: 48,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,782.75 : 54,563.84 = 35,298.72 : x
  2. Step 2: Convert to fraction form
    39,782.75/54,563.84 = 35,298.72/x
  3. Step 3: Cross multiply
    39,782.75x = 54,563.84 × 35,298.72
  4. Step 4: Simplify right side
    39,782.75x = 1,926,033,666.16
  5. Step 5: Solve for x
    x = 1,926,033,666.16/39,782.75
  6. Step 6: Final answer
    x = 48,413.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.