Home / 29,987.26-41,374.14-17,239.78

Finding the Fourth Proportional to 29,987.26, 41,374.14 and 17,239.78

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Solution

The fourth proportional to 29,987.26, 41,374.14 and 17,239.78 is: 23,786.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.26 : 41,374.14 = 17,239.78 : x
  2. Step 2: Convert to fraction form
    29,987.26/41,374.14 = 17,239.78/x
  3. Step 3: Cross multiply
    29,987.26x = 41,374.14 × 17,239.78
  4. Step 4: Simplify right side
    29,987.26x = 713,281,071.29
  5. Step 5: Solve for x
    x = 713,281,071.29/29,987.26
  6. Step 6: Final answer
    x = 23,786.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.