Home / 35,828.10-53,742.68-13,642.70

Finding the Fourth Proportional to 35,828.10, 53,742.68 and 13,642.70

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Solution

The fourth proportional to 35,828.10, 53,742.68 and 13,642.70 is: 20,464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,828.10 : 53,742.68 = 13,642.70 : x
  2. Step 2: Convert to fraction form
    35,828.10/53,742.68 = 13,642.70/x
  3. Step 3: Cross multiply
    35,828.10x = 53,742.68 × 13,642.70
  4. Step 4: Simplify right side
    35,828.10x = 733,195,326.58
  5. Step 5: Solve for x
    x = 733,195,326.58/35,828.10
  6. Step 6: Final answer
    x = 20,464.25

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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.