Home / 30,512.23-42,108.46-17,082.68

Finding the Fourth Proportional to 30,512.23, 42,108.46 and 17,082.68

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Solution

The fourth proportional to 30,512.23, 42,108.46 and 17,082.68 is: 23,574.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,512.23 : 42,108.46 = 17,082.68 : x
  2. Step 2: Convert to fraction form
    30,512.23/42,108.46 = 17,082.68/x
  3. Step 3: Cross multiply
    30,512.23x = 42,108.46 × 17,082.68
  4. Step 4: Simplify right side
    30,512.23x = 719,325,331.08
  5. Step 5: Solve for x
    x = 719,325,331.08/30,512.23
  6. Step 6: Final answer
    x = 23,574.99

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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.