Home / 43,831.94-65,747.90-28,260.50

Finding the Fourth Proportional to 43,831.94, 65,747.90 and 28,260.50

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Solution

The fourth proportional to 43,831.94, 65,747.90 and 28,260.50 is: 42,390.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,831.94 : 65,747.90 = 28,260.50 : x
  2. Step 2: Convert to fraction form
    43,831.94/65,747.90 = 28,260.50/x
  3. Step 3: Cross multiply
    43,831.94x = 65,747.90 × 28,260.50
  4. Step 4: Simplify right side
    43,831.94x = 1,858,068,269.86
  5. Step 5: Solve for x
    x = 1,858,068,269.86/43,831.94
  6. Step 6: Final answer
    x = 42,390.74

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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.