Home / 49,804.36-74,710.14-19,830.28

Finding the Fourth Proportional to 49,804.36, 74,710.14 and 19,830.28

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Solution

The fourth proportional to 49,804.36, 74,710.14 and 19,830.28 is: 29,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,804.36 : 74,710.14 = 19,830.28 : x
  2. Step 2: Convert to fraction form
    49,804.36/74,710.14 = 19,830.28/x
  3. Step 3: Cross multiply
    49,804.36x = 74,710.14 × 19,830.28
  4. Step 4: Simplify right side
    49,804.36x = 1,481,522,995.04
  5. Step 5: Solve for x
    x = 1,481,522,995.04/49,804.36
  6. Step 6: Final answer
    x = 29,746.85

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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.