Home / 36,386.51-54,581.31-12,696.44

Finding the Fourth Proportional to 36,386.51, 54,581.31 and 12,696.44

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Solution

The fourth proportional to 36,386.51, 54,581.31 and 12,696.44 is: 19,045.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.51 : 54,581.31 = 12,696.44 : x
  2. Step 2: Convert to fraction form
    36,386.51/54,581.31 = 12,696.44/x
  3. Step 3: Cross multiply
    36,386.51x = 54,581.31 × 12,696.44
  4. Step 4: Simplify right side
    36,386.51x = 692,988,054.63
  5. Step 5: Solve for x
    x = 692,988,054.63/36,386.51
  6. Step 6: Final answer
    x = 19,045.19

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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.