Home / 30,693.36-42,357.36-17,082.48

Finding the Fourth Proportional to 30,693.36, 42,357.36 and 17,082.48

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Solution

The fourth proportional to 30,693.36, 42,357.36 and 17,082.48 is: 23,574.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,693.36 : 42,357.36 = 17,082.48 : x
  2. Step 2: Convert to fraction form
    30,693.36/42,357.36 = 17,082.48/x
  3. Step 3: Cross multiply
    30,693.36x = 42,357.36 × 17,082.48
  4. Step 4: Simplify right side
    30,693.36x = 723,568,755.05
  5. Step 5: Solve for x
    x = 723,568,755.05/30,693.36
  6. Step 6: Final answer
    x = 23,574.11

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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.