Home / 30,206.88-45,304.56-11,736.48

Finding the Fourth Proportional to 30,206.88, 45,304.56 and 11,736.48

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Solution

The fourth proportional to 30,206.88, 45,304.56 and 11,736.48 is: 17,602.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.88 : 45,304.56 = 11,736.48 : x
  2. Step 2: Convert to fraction form
    30,206.88/45,304.56 = 11,736.48/x
  3. Step 3: Cross multiply
    30,206.88x = 45,304.56 × 11,736.48
  4. Step 4: Simplify right side
    30,206.88x = 531,716,062.35
  5. Step 5: Solve for x
    x = 531,716,062.35/30,206.88
  6. Step 6: Final answer
    x = 17,602.48

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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.