Home / 30,975.52-42,736.80-17,544.64

Finding the Fourth Proportional to 30,975.52, 42,736.80 and 17,544.64

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Solution

The fourth proportional to 30,975.52, 42,736.80 and 17,544.64 is: 24,206.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975.52 : 42,736.80 = 17,544.64 : x
  2. Step 2: Convert to fraction form
    30,975.52/42,736.80 = 17,544.64/x
  3. Step 3: Cross multiply
    30,975.52x = 42,736.80 × 17,544.64
  4. Step 4: Simplify right side
    30,975.52x = 749,801,770.75
  5. Step 5: Solve for x
    x = 749,801,770.75/30,975.52
  6. Step 6: Final answer
    x = 24,206.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.