Home / 30,260.03-41,760.39-16,831.55

Finding the Fourth Proportional to 30,260.03, 41,760.39 and 16,831.55

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Solution

The fourth proportional to 30,260.03, 41,760.39 and 16,831.55 is: 23,228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.03 : 41,760.39 = 16,831.55 : x
  2. Step 2: Convert to fraction form
    30,260.03/41,760.39 = 16,831.55/x
  3. Step 3: Cross multiply
    30,260.03x = 41,760.39 × 16,831.55
  4. Step 4: Simplify right side
    30,260.03x = 702,891,882.91
  5. Step 5: Solve for x
    x = 702,891,882.91/30,260.03
  6. Step 6: Final answer
    x = 23,228.39

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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.