Home / 30,523.64-42,123.66-17,949.56

Finding the Fourth Proportional to 30,523.64, 42,123.66 and 17,949.56

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Solution

The fourth proportional to 30,523.64, 42,123.66 and 17,949.56 is: 24,771.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,523.64 : 42,123.66 = 17,949.56 : x
  2. Step 2: Convert to fraction form
    30,523.64/42,123.66 = 17,949.56/x
  3. Step 3: Cross multiply
    30,523.64x = 42,123.66 × 17,949.56
  4. Step 4: Simplify right side
    30,523.64x = 756,101,162.59
  5. Step 5: Solve for x
    x = 756,101,162.59/30,523.64
  6. Step 6: Final answer
    x = 24,771.00

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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.