Home / 49,802.31-68,715.27-28,287.36

Finding the Fourth Proportional to 49,802.31, 68,715.27 and 28,287.36

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Solution

The fourth proportional to 49,802.31, 68,715.27 and 28,287.36 is: 39,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,802.31 : 68,715.27 = 28,287.36 : x
  2. Step 2: Convert to fraction form
    49,802.31/68,715.27 = 28,287.36/x
  3. Step 3: Cross multiply
    49,802.31x = 68,715.27 × 28,287.36
  4. Step 4: Simplify right side
    49,802.31x = 1,943,773,579.99
  5. Step 5: Solve for x
    x = 1,943,773,579.99/49,802.31
  6. Step 6: Final answer
    x = 39,029.79

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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.