Home / 30,836.01-42,553.39-17,406.97

Finding the Fourth Proportional to 30,836.01, 42,553.39 and 17,406.97

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Solution

The fourth proportional to 30,836.01, 42,553.39 and 17,406.97 is: 24,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,836.01 : 42,553.39 = 17,406.97 : x
  2. Step 2: Convert to fraction form
    30,836.01/42,553.39 = 17,406.97/x
  3. Step 3: Cross multiply
    30,836.01x = 42,553.39 × 17,406.97
  4. Step 4: Simplify right side
    30,836.01x = 740,725,583.13
  5. Step 5: Solve for x
    x = 740,725,583.13/30,836.01
  6. Step 6: Final answer
    x = 24,021.45

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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.