Home / 30,851.43-42,574.79-17,427.03

Finding the Fourth Proportional to 30,851.43, 42,574.79 and 17,427.03

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Solution

The fourth proportional to 30,851.43, 42,574.79 and 17,427.03 is: 24,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,851.43 : 42,574.79 = 17,427.03 : x
  2. Step 2: Convert to fraction form
    30,851.43/42,574.79 = 17,427.03/x
  3. Step 3: Cross multiply
    30,851.43x = 42,574.79 × 17,427.03
  4. Step 4: Simplify right side
    30,851.43x = 741,952,055.44
  5. Step 5: Solve for x
    x = 741,952,055.44/30,851.43
  6. Step 6: Final answer
    x = 24,049.19

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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.