Home / 30,563.07-42,181.36-16,954.16

Finding the Fourth Proportional to 30,563.07, 42,181.36 and 16,954.16

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Solution

The fourth proportional to 30,563.07, 42,181.36 and 16,954.16 is: 23,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,563.07 : 42,181.36 = 16,954.16 : x
  2. Step 2: Convert to fraction form
    30,563.07/42,181.36 = 16,954.16/x
  3. Step 3: Cross multiply
    30,563.07x = 42,181.36 × 16,954.16
  4. Step 4: Simplify right side
    30,563.07x = 715,149,510.44
  5. Step 5: Solve for x
    x = 715,149,510.44/30,563.07
  6. Step 6: Final answer
    x = 23,399.14

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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.