Home / 83,812.90-125,798.36-30,556.38

Finding the Fourth Proportional to 83,812.90, 125,798.36 and 30,556.38

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Solution

The fourth proportional to 83,812.90, 125,798.36 and 30,556.38 is: 45,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,812.90 : 125,798.36 = 30,556.38 : x
  2. Step 2: Convert to fraction form
    83,812.90/125,798.36 = 30,556.38/x
  3. Step 3: Cross multiply
    83,812.90x = 125,798.36 × 30,556.38
  4. Step 4: Simplify right side
    83,812.90x = 3,843,942,491.54
  5. Step 5: Solve for x
    x = 3,843,942,491.54/83,812.90
  6. Step 6: Final answer
    x = 45,863.38

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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.