Home / 30,260.76-41,756.86-16,831.74

Finding the Fourth Proportional to 30,260.76, 41,756.86 and 16,831.74

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Solution

The fourth proportional to 30,260.76, 41,756.86 and 16,831.74 is: 23,226.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.76 : 41,756.86 = 16,831.74 : x
  2. Step 2: Convert to fraction form
    30,260.76/41,756.86 = 16,831.74/x
  3. Step 3: Cross multiply
    30,260.76x = 41,756.86 × 16,831.74
  4. Step 4: Simplify right side
    30,260.76x = 702,840,610.74
  5. Step 5: Solve for x
    x = 702,840,610.74/30,260.76
  6. Step 6: Final answer
    x = 23,226.14

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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.