Home / 33,605.12-46,381.20-19,459.28

Finding the Fourth Proportional to 33,605.12, 46,381.20 and 19,459.28

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Solution

The fourth proportional to 33,605.12, 46,381.20 and 19,459.28 is: 26,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,605.12 : 46,381.20 = 19,459.28 : x
  2. Step 2: Convert to fraction form
    33,605.12/46,381.20 = 19,459.28/x
  3. Step 3: Cross multiply
    33,605.12x = 46,381.20 × 19,459.28
  4. Step 4: Simplify right side
    33,605.12x = 902,544,757.54
  5. Step 5: Solve for x
    x = 902,544,757.54/33,605.12
  6. Step 6: Final answer
    x = 26,857.36

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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.