Home / 37,105.95-51,193.75-21,179.19

Finding the Fourth Proportional to 37,105.95, 51,193.75 and 21,179.19

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Solution

The fourth proportional to 37,105.95, 51,193.75 and 21,179.19 is: 29,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,105.95 : 51,193.75 = 21,179.19 : x
  2. Step 2: Convert to fraction form
    37,105.95/51,193.75 = 21,179.19/x
  3. Step 3: Cross multiply
    37,105.95x = 51,193.75 × 21,179.19
  4. Step 4: Simplify right side
    37,105.95x = 1,084,242,158.06
  5. Step 5: Solve for x
    x = 1,084,242,158.06/37,105.95
  6. Step 6: Final answer
    x = 29,220.17

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Half scale
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Double scale
Find fourth proportional to 37,106.95, 51,195.13 and 21,180.19
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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.