Home / 49,898.16-74,879.35-19,907.27

Finding the Fourth Proportional to 49,898.16, 74,879.35 and 19,907.27

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Solution

The fourth proportional to 49,898.16, 74,879.35 and 19,907.27 is: 29,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,898.16 : 74,879.35 = 19,907.27 : x
  2. Step 2: Convert to fraction form
    49,898.16/74,879.35 = 19,907.27/x
  3. Step 3: Cross multiply
    49,898.16x = 74,879.35 × 19,907.27
  4. Step 4: Simplify right side
    49,898.16x = 1,490,643,437.87
  5. Step 5: Solve for x
    x = 1,490,643,437.87/49,898.16
  6. Step 6: Final answer
    x = 29,873.72

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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.