Home / 49,838.23-74,788.47-20,256.06

Finding the Fourth Proportional to 49,838.23, 74,788.47 and 20,256.06

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Solution

The fourth proportional to 49,838.23, 74,788.47 and 20,256.06 is: 30,396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,838.23 : 74,788.47 = 20,256.06 : x
  2. Step 2: Convert to fraction form
    49,838.23/74,788.47 = 20,256.06/x
  3. Step 3: Cross multiply
    49,838.23x = 74,788.47 × 20,256.06
  4. Step 4: Simplify right side
    49,838.23x = 1,514,919,735.63
  5. Step 5: Solve for x
    x = 1,514,919,735.63/49,838.23
  6. Step 6: Final answer
    x = 30,396.74

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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.