Home / 30,998.16-42,786.36-23,066.64

Finding the Fourth Proportional to 30,998.16, 42,786.36 and 23,066.64

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Solution

The fourth proportional to 30,998.16, 42,786.36 and 23,066.64 is: 31,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,998.16 : 42,786.36 = 23,066.64 : x
  2. Step 2: Convert to fraction form
    30,998.16/42,786.36 = 23,066.64/x
  3. Step 3: Cross multiply
    30,998.16x = 42,786.36 × 23,066.64
  4. Step 4: Simplify right side
    30,998.16x = 986,937,563.03
  5. Step 5: Solve for x
    x = 986,937,563.03/30,998.16
  6. Step 6: Final answer
    x = 31,838.59

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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.