Home / 49,749.18-68,650.38-28,239.36

Finding the Fourth Proportional to 49,749.18, 68,650.38 and 28,239.36

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Solution

The fourth proportional to 49,749.18, 68,650.38 and 28,239.36 is: 38,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,749.18 : 68,650.38 = 28,239.36 : x
  2. Step 2: Convert to fraction form
    49,749.18/68,650.38 = 28,239.36/x
  3. Step 3: Cross multiply
    49,749.18x = 68,650.38 × 28,239.36
  4. Step 4: Simplify right side
    49,749.18x = 1,938,642,794.96
  5. Step 5: Solve for x
    x = 1,938,642,794.96/49,749.18
  6. Step 6: Final answer
    x = 38,968.34

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1.5x scale

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.