Home / 35,359.11-53,005.86-11,969.19

Finding the Fourth Proportional to 35,359.11, 53,005.86 and 11,969.19

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Solution

The fourth proportional to 35,359.11, 53,005.86 and 11,969.19 is: 17,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,359.11 : 53,005.86 = 11,969.19 : x
  2. Step 2: Convert to fraction form
    35,359.11/53,005.86 = 11,969.19/x
  3. Step 3: Cross multiply
    35,359.11x = 53,005.86 × 11,969.19
  4. Step 4: Simplify right side
    35,359.11x = 634,437,209.45
  5. Step 5: Solve for x
    x = 634,437,209.45/35,359.11
  6. Step 6: Final answer
    x = 17,942.68

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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.