Home / 38,684.44-53,388.95-21,693.27

Finding the Fourth Proportional to 38,684.44, 53,388.95 and 21,693.27

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Solution

The fourth proportional to 38,684.44, 53,388.95 and 21,693.27 is: 29,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,684.44 : 53,388.95 = 21,693.27 : x
  2. Step 2: Convert to fraction form
    38,684.44/53,388.95 = 21,693.27/x
  3. Step 3: Cross multiply
    38,684.44x = 53,388.95 × 21,693.27
  4. Step 4: Simplify right side
    38,684.44x = 1,158,180,759.81
  5. Step 5: Solve for x
    x = 1,158,180,759.81/38,684.44
  6. Step 6: Final answer
    x = 29,939.19

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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.