Home / 49,554.48-74,365.56-19,974.63

Finding the Fourth Proportional to 49,554.48, 74,365.56 and 19,974.63

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Solution

The fourth proportional to 49,554.48, 74,365.56 and 19,974.63 is: 29,975.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,554.48 : 74,365.56 = 19,974.63 : x
  2. Step 2: Convert to fraction form
    49,554.48/74,365.56 = 19,974.63/x
  3. Step 3: Cross multiply
    49,554.48x = 74,365.56 × 19,974.63
  4. Step 4: Simplify right side
    49,554.48x = 1,485,424,545.74
  5. Step 5: Solve for x
    x = 1,485,424,545.74/49,554.48
  6. Step 6: Final answer
    x = 29,975.59

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1.5x scale

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.