Home / 33,109.12-49,678.64-12,334.24

Finding the Fourth Proportional to 33,109.12, 49,678.64 and 12,334.24

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Solution

The fourth proportional to 33,109.12, 49,678.64 and 12,334.24 is: 18,506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,109.12 : 49,678.64 = 12,334.24 : x
  2. Step 2: Convert to fraction form
    33,109.12/49,678.64 = 12,334.24/x
  3. Step 3: Cross multiply
    33,109.12x = 49,678.64 × 12,334.24
  4. Step 4: Simplify right side
    33,109.12x = 612,748,268.63
  5. Step 5: Solve for x
    x = 612,748,268.63/33,109.12
  6. Step 6: Final answer
    x = 18,506.93

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1.5x scale

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.