Home / 30,235.77-45,340.83-11,505.33

Finding the Fourth Proportional to 30,235.77, 45,340.83 and 11,505.33

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Solution

The fourth proportional to 30,235.77, 45,340.83 and 11,505.33 is: 17,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235.77 : 45,340.83 = 11,505.33 : x
  2. Step 2: Convert to fraction form
    30,235.77/45,340.83 = 11,505.33/x
  3. Step 3: Cross multiply
    30,235.77x = 45,340.83 × 11,505.33
  4. Step 4: Simplify right side
    30,235.77x = 521,661,211.62
  5. Step 5: Solve for x
    x = 521,661,211.62/30,235.77
  6. Step 6: Final answer
    x = 17,253.11

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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.