Home / 33,412.56-46,077.50-19,981.64

Finding the Fourth Proportional to 33,412.56, 46,077.50 and 19,981.64

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Solution

The fourth proportional to 33,412.56, 46,077.50 and 19,981.64 is: 27,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,412.56 : 46,077.50 = 19,981.64 : x
  2. Step 2: Convert to fraction form
    33,412.56/46,077.50 = 19,981.64/x
  3. Step 3: Cross multiply
    33,412.56x = 46,077.50 × 19,981.64
  4. Step 4: Simplify right side
    33,412.56x = 920,704,017.10
  5. Step 5: Solve for x
    x = 920,704,017.10/33,412.56
  6. Step 6: Final answer
    x = 27,555.63

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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.