Home / 23,412.44-34,949-21,678.24

Finding the Fourth Proportional to 23,412.44, 34,949 and 21,678.24

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Solution

The fourth proportional to 23,412.44, 34,949 and 21,678.24 is: 32,360.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,412.44 : 34,949 = 21,678.24 : x
  2. Step 2: Convert to fraction form
    23,412.44/34,949 = 21,678.24/x
  3. Step 3: Cross multiply
    23,412.44x = 34,949 × 21,678.24
  4. Step 4: Simplify right side
    23,412.44x = 757,632,809.76
  5. Step 5: Solve for x
    x = 757,632,809.76/23,412.44
  6. Step 6: Final answer
    x = 32,360.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.