Home / 34,838.90-48,078.24-18,923.36

Finding the Fourth Proportional to 34,838.90, 48,078.24 and 18,923.36

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Solution

The fourth proportional to 34,838.90, 48,078.24 and 18,923.36 is: 26,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,838.90 : 48,078.24 = 18,923.36 : x
  2. Step 2: Convert to fraction form
    34,838.90/48,078.24 = 18,923.36/x
  3. Step 3: Cross multiply
    34,838.90x = 48,078.24 × 18,923.36
  4. Step 4: Simplify right side
    34,838.90x = 909,801,843.69
  5. Step 5: Solve for x
    x = 909,801,843.69/34,838.90
  6. Step 6: Final answer
    x = 26,114.54

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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.