Home / 38,389.70-52,976.37-21,619.46

Finding the Fourth Proportional to 38,389.70, 52,976.37 and 21,619.46

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Solution

The fourth proportional to 38,389.70, 52,976.37 and 21,619.46 is: 29,834.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,389.70 : 52,976.37 = 21,619.46 : x
  2. Step 2: Convert to fraction form
    38,389.70/52,976.37 = 21,619.46/x
  3. Step 3: Cross multiply
    38,389.70x = 52,976.37 × 21,619.46
  4. Step 4: Simplify right side
    38,389.70x = 1,145,320,512.16
  5. Step 5: Solve for x
    x = 1,145,320,512.16/38,389.70
  6. Step 6: Final answer
    x = 29,834.06

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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.