Home / 33,693.47-46,515.21-20,267.72

Finding the Fourth Proportional to 33,693.47, 46,515.21 and 20,267.72

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Solution

The fourth proportional to 33,693.47, 46,515.21 and 20,267.72 is: 27,980.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,693.47 : 46,515.21 = 20,267.72 : x
  2. Step 2: Convert to fraction form
    33,693.47/46,515.21 = 20,267.72/x
  3. Step 3: Cross multiply
    33,693.47x = 46,515.21 × 20,267.72
  4. Step 4: Simplify right side
    33,693.47x = 942,757,231.88
  5. Step 5: Solve for x
    x = 942,757,231.88/33,693.47
  6. Step 6: Final answer
    x = 27,980.41

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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.