Home / 33,339.87-45,995.89-20,570.80

Finding the Fourth Proportional to 33,339.87, 45,995.89 and 20,570.80

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Solution

The fourth proportional to 33,339.87, 45,995.89 and 20,570.80 is: 28,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,339.87 : 45,995.89 = 20,570.80 : x
  2. Step 2: Convert to fraction form
    33,339.87/45,995.89 = 20,570.80/x
  3. Step 3: Cross multiply
    33,339.87x = 45,995.89 × 20,570.80
  4. Step 4: Simplify right side
    33,339.87x = 946,172,118.80
  5. Step 5: Solve for x
    x = 946,172,118.80/33,339.87
  6. Step 6: Final answer
    x = 28,379.60

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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.