Home / 30,529.06-45,800.56-11,809.16

Finding the Fourth Proportional to 30,529.06, 45,800.56 and 11,809.16

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Solution

The fourth proportional to 30,529.06, 45,800.56 and 11,809.16 is: 17,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,529.06 : 45,800.56 = 11,809.16 : x
  2. Step 2: Convert to fraction form
    30,529.06/45,800.56 = 11,809.16/x
  3. Step 3: Cross multiply
    30,529.06x = 45,800.56 × 11,809.16
  4. Step 4: Simplify right side
    30,529.06x = 540,866,141.13
  5. Step 5: Solve for x
    x = 540,866,141.13/30,529.06
  6. Step 6: Final answer
    x = 17,716.44

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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.