Home / 54,017.99-80,928.57-39,821.63

Finding the Fourth Proportional to 54,017.99, 80,928.57 and 39,821.63

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Solution

The fourth proportional to 54,017.99, 80,928.57 and 39,821.63 is: 59,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,017.99 : 80,928.57 = 39,821.63 : x
  2. Step 2: Convert to fraction form
    54,017.99/80,928.57 = 39,821.63/x
  3. Step 3: Cross multiply
    54,017.99x = 80,928.57 × 39,821.63
  4. Step 4: Simplify right side
    54,017.99x = 3,222,707,091.66
  5. Step 5: Solve for x
    x = 3,222,707,091.66/54,017.99
  6. Step 6: Final answer
    x = 59,659.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.