Home / 30,541.56-42,146.64-17,967.12

Finding the Fourth Proportional to 30,541.56, 42,146.64 and 17,967.12

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Solution

The fourth proportional to 30,541.56, 42,146.64 and 17,967.12 is: 24,794.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,541.56 : 42,146.64 = 17,967.12 : x
  2. Step 2: Convert to fraction form
    30,541.56/42,146.64 = 17,967.12/x
  3. Step 3: Cross multiply
    30,541.56x = 42,146.64 × 17,967.12
  4. Step 4: Simplify right side
    30,541.56x = 757,253,738.48
  5. Step 5: Solve for x
    x = 757,253,738.48/30,541.56
  6. Step 6: Final answer
    x = 24,794.21

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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.