Home / 30,956.36-42,718.61-17,524.94

Finding the Fourth Proportional to 30,956.36, 42,718.61 and 17,524.94

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Solution

The fourth proportional to 30,956.36, 42,718.61 and 17,524.94 is: 24,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,956.36 : 42,718.61 = 17,524.94 : x
  2. Step 2: Convert to fraction form
    30,956.36/42,718.61 = 17,524.94/x
  3. Step 3: Cross multiply
    30,956.36x = 42,718.61 × 17,524.94
  4. Step 4: Simplify right side
    30,956.36x = 748,640,989.51
  5. Step 5: Solve for x
    x = 748,640,989.51/30,956.36
  6. Step 6: Final answer
    x = 24,183.75

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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.