Home / 30,843.36-42,560.64-17,416.08

Finding the Fourth Proportional to 30,843.36, 42,560.64 and 17,416.08

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Solution

The fourth proportional to 30,843.36, 42,560.64 and 17,416.08 is: 24,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,843.36 : 42,560.64 = 17,416.08 : x
  2. Step 2: Convert to fraction form
    30,843.36/42,560.64 = 17,416.08/x
  3. Step 3: Cross multiply
    30,843.36x = 42,560.64 × 17,416.08
  4. Step 4: Simplify right side
    30,843.36x = 741,239,511.09
  5. Step 5: Solve for x
    x = 741,239,511.09/30,843.36
  6. Step 6: Final answer
    x = 24,032.39

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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.