Home / 36,629.10-54,945.77-14,139.90

Finding the Fourth Proportional to 36,629.10, 54,945.77 and 14,139.90

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Solution

The fourth proportional to 36,629.10, 54,945.77 and 14,139.90 is: 21,210.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,629.10 : 54,945.77 = 14,139.90 : x
  2. Step 2: Convert to fraction form
    36,629.10/54,945.77 = 14,139.90/x
  3. Step 3: Cross multiply
    36,629.10x = 54,945.77 × 14,139.90
  4. Step 4: Simplify right side
    36,629.10x = 776,927,693.22
  5. Step 5: Solve for x
    x = 776,927,693.22/36,629.10
  6. Step 6: Final answer
    x = 21,210.67

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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.