Home / 38,945.21-58,415.48-10,866.86

Finding the Fourth Proportional to 38,945.21, 58,415.48 and 10,866.86

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Solution

The fourth proportional to 38,945.21, 58,415.48 and 10,866.86 is: 16,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,945.21 : 58,415.48 = 10,866.86 : x
  2. Step 2: Convert to fraction form
    38,945.21/58,415.48 = 10,866.86/x
  3. Step 3: Cross multiply
    38,945.21x = 58,415.48 × 10,866.86
  4. Step 4: Simplify right side
    38,945.21x = 634,792,756.39
  5. Step 5: Solve for x
    x = 634,792,756.39/38,945.21
  6. Step 6: Final answer
    x = 16,299.64

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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.