Home / 38,982.47-58,479.84-16,802.10

Finding the Fourth Proportional to 38,982.47, 58,479.84 and 16,802.10

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Solution

The fourth proportional to 38,982.47, 58,479.84 and 16,802.10 is: 25,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,982.47 : 58,479.84 = 16,802.10 : x
  2. Step 2: Convert to fraction form
    38,982.47/58,479.84 = 16,802.10/x
  3. Step 3: Cross multiply
    38,982.47x = 58,479.84 × 16,802.10
  4. Step 4: Simplify right side
    38,982.47x = 982,584,119.66
  5. Step 5: Solve for x
    x = 982,584,119.66/38,982.47
  6. Step 6: Final answer
    x = 25,205.80

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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.