Home / 33,322.86-49,973.28-11,129.64

Finding the Fourth Proportional to 33,322.86, 49,973.28 and 11,129.64

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Solution

The fourth proportional to 33,322.86, 49,973.28 and 11,129.64 is: 16,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,322.86 : 49,973.28 = 11,129.64 : x
  2. Step 2: Convert to fraction form
    33,322.86/49,973.28 = 11,129.64/x
  3. Step 3: Cross multiply
    33,322.86x = 49,973.28 × 11,129.64
  4. Step 4: Simplify right side
    33,322.86x = 556,184,616.02
  5. Step 5: Solve for x
    x = 556,184,616.02/33,322.86
  6. Step 6: Final answer
    x = 16,690.78

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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.