Home / 49,758.12-74,639.34-18,576.36

Finding the Fourth Proportional to 49,758.12, 74,639.34 and 18,576.36

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Solution

The fourth proportional to 49,758.12, 74,639.34 and 18,576.36 is: 27,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,758.12 : 74,639.34 = 18,576.36 : x
  2. Step 2: Convert to fraction form
    49,758.12/74,639.34 = 18,576.36/x
  3. Step 3: Cross multiply
    49,758.12x = 74,639.34 × 18,576.36
  4. Step 4: Simplify right side
    49,758.12x = 1,386,527,250.00
  5. Step 5: Solve for x
    x = 1,386,527,250.00/49,758.12
  6. Step 6: Final answer
    x = 27,865.35

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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.