Home / 35,828.20-53,765.75-13,641.81

Finding the Fourth Proportional to 35,828.20, 53,765.75 and 13,641.81

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Solution

The fourth proportional to 35,828.20, 53,765.75 and 13,641.81 is: 20,471.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,828.20 : 53,765.75 = 13,641.81 : x
  2. Step 2: Convert to fraction form
    35,828.20/53,765.75 = 13,641.81/x
  3. Step 3: Cross multiply
    35,828.20x = 53,765.75 × 13,641.81
  4. Step 4: Simplify right side
    35,828.20x = 733,462,146.01
  5. Step 5: Solve for x
    x = 733,462,146.01/35,828.20
  6. Step 6: Final answer
    x = 20,471.64

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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.