Home / 49,876.21-74,749.34-20,259.44

Finding the Fourth Proportional to 49,876.21, 74,749.34 and 20,259.44

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Solution

The fourth proportional to 49,876.21, 74,749.34 and 20,259.44 is: 30,362.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,876.21 : 74,749.34 = 20,259.44 : x
  2. Step 2: Convert to fraction form
    49,876.21/74,749.34 = 20,259.44/x
  3. Step 3: Cross multiply
    49,876.21x = 74,749.34 × 20,259.44
  4. Step 4: Simplify right side
    49,876.21x = 1,514,379,768.77
  5. Step 5: Solve for x
    x = 1,514,379,768.77/49,876.21
  6. Step 6: Final answer
    x = 30,362.77

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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.