Home / 49,736.17-74,576.98-19,720

Finding the Fourth Proportional to 49,736.17, 74,576.98 and 19,720

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Solution

The fourth proportional to 49,736.17, 74,576.98 and 19,720 is: 29,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,736.17 : 74,576.98 = 19,720 : x
  2. Step 2: Convert to fraction form
    49,736.17/74,576.98 = 19,720/x
  3. Step 3: Cross multiply
    49,736.17x = 74,576.98 × 19,720
  4. Step 4: Simplify right side
    49,736.17x = 1,470,658,045.60
  5. Step 5: Solve for x
    x = 1,470,658,045.60/49,736.17
  6. Step 6: Final answer
    x = 29,569.19

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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.