Home / 49,964.24-74,950.70-20,384.12

Finding the Fourth Proportional to 49,964.24, 74,950.70 and 20,384.12

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Solution

The fourth proportional to 49,964.24, 74,950.70 and 20,384.12 is: 30,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,964.24 : 74,950.70 = 20,384.12 : x
  2. Step 2: Convert to fraction form
    49,964.24/74,950.70 = 20,384.12/x
  3. Step 3: Cross multiply
    49,964.24x = 74,950.70 × 20,384.12
  4. Step 4: Simplify right side
    49,964.24x = 1,527,804,062.88
  5. Step 5: Solve for x
    x = 1,527,804,062.88/49,964.24
  6. Step 6: Final answer
    x = 30,577.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.