Home / 30,497.78-42,081.39-17,575.04

Finding the Fourth Proportional to 30,497.78, 42,081.39 and 17,575.04

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Solution

The fourth proportional to 30,497.78, 42,081.39 and 17,575.04 is: 24,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,497.78 : 42,081.39 = 17,575.04 : x
  2. Step 2: Convert to fraction form
    30,497.78/42,081.39 = 17,575.04/x
  3. Step 3: Cross multiply
    30,497.78x = 42,081.39 × 17,575.04
  4. Step 4: Simplify right side
    30,497.78x = 739,582,112.51
  5. Step 5: Solve for x
    x = 739,582,112.51/30,497.78
  6. Step 6: Final answer
    x = 24,250.36

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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.