Home / 30,416.83-41,974.37-16,987.69

Finding the Fourth Proportional to 30,416.83, 41,974.37 and 16,987.69

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Solution

The fourth proportional to 30,416.83, 41,974.37 and 16,987.69 is: 23,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416.83 : 41,974.37 = 16,987.69 : x
  2. Step 2: Convert to fraction form
    30,416.83/41,974.37 = 16,987.69/x
  3. Step 3: Cross multiply
    30,416.83x = 41,974.37 × 16,987.69
  4. Step 4: Simplify right side
    30,416.83x = 713,047,585.51
  5. Step 5: Solve for x
    x = 713,047,585.51/30,416.83
  6. Step 6: Final answer
    x = 23,442.53

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Double scale
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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.