Home / 36,210.54-49,970.43-21,112.14

Finding the Fourth Proportional to 36,210.54, 49,970.43 and 21,112.14

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Solution

The fourth proportional to 36,210.54, 49,970.43 and 21,112.14 is: 29,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,210.54 : 49,970.43 = 21,112.14 : x
  2. Step 2: Convert to fraction form
    36,210.54/49,970.43 = 21,112.14/x
  3. Step 3: Cross multiply
    36,210.54x = 49,970.43 × 21,112.14
  4. Step 4: Simplify right side
    36,210.54x = 1,054,982,714.02
  5. Step 5: Solve for x
    x = 1,054,982,714.02/36,210.54
  6. Step 6: Final answer
    x = 29,134.69

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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.