Home / 43,736.76-65,604.60-12,572.28

Finding the Fourth Proportional to 43,736.76, 65,604.60 and 12,572.28

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Solution

The fourth proportional to 43,736.76, 65,604.60 and 12,572.28 is: 18,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,736.76 : 65,604.60 = 12,572.28 : x
  2. Step 2: Convert to fraction form
    43,736.76/65,604.60 = 12,572.28/x
  3. Step 3: Cross multiply
    43,736.76x = 65,604.60 × 12,572.28
  4. Step 4: Simplify right side
    43,736.76x = 824,799,400.49
  5. Step 5: Solve for x
    x = 824,799,400.49/43,736.76
  6. Step 6: Final answer
    x = 18,858.26

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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.