Home / 38,146.49-57,208.80-11,495.06

Finding the Fourth Proportional to 38,146.49, 57,208.80 and 11,495.06

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Solution

The fourth proportional to 38,146.49, 57,208.80 and 11,495.06 is: 17,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,146.49 : 57,208.80 = 11,495.06 : x
  2. Step 2: Convert to fraction form
    38,146.49/57,208.80 = 11,495.06/x
  3. Step 3: Cross multiply
    38,146.49x = 57,208.80 × 11,495.06
  4. Step 4: Simplify right side
    38,146.49x = 657,618,821.19
  5. Step 5: Solve for x
    x = 657,618,821.19/38,146.49
  6. Step 6: Final answer
    x = 17,239.30

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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.