Home / 37,878.19-52,273.52-21,111.19

Finding the Fourth Proportional to 37,878.19, 52,273.52 and 21,111.19

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Solution

The fourth proportional to 37,878.19, 52,273.52 and 21,111.19 is: 29,134.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,878.19 : 52,273.52 = 21,111.19 : x
  2. Step 2: Convert to fraction form
    37,878.19/52,273.52 = 21,111.19/x
  3. Step 3: Cross multiply
    37,878.19x = 52,273.52 × 21,111.19
  4. Step 4: Simplify right side
    37,878.19x = 1,103,556,055.62
  5. Step 5: Solve for x
    x = 1,103,556,055.62/37,878.19
  6. Step 6: Final answer
    x = 29,134.34

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Half scale
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Double scale
Find fourth proportional to 37,879.19, 52,274.90 and 21,112.19
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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.