Home / 38,144.19-52,644.43-21,152.21

Finding the Fourth Proportional to 38,144.19, 52,644.43 and 21,152.21

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Solution

The fourth proportional to 38,144.19, 52,644.43 and 21,152.21 is: 29,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,144.19 : 52,644.43 = 21,152.21 : x
  2. Step 2: Convert to fraction form
    38,144.19/52,644.43 = 21,152.21/x
  3. Step 3: Cross multiply
    38,144.19x = 52,644.43 × 21,152.21
  4. Step 4: Simplify right side
    38,144.19x = 1,113,546,038.69
  5. Step 5: Solve for x
    x = 1,113,546,038.69/38,144.19
  6. Step 6: Final answer
    x = 29,193.07

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Half scale
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Double scale
Find fourth proportional to 38,145.19, 52,645.81 and 21,153.21
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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.