Home / 37,157.36-51,278.04-21,243.30

Finding the Fourth Proportional to 37,157.36, 51,278.04 and 21,243.30

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Solution

The fourth proportional to 37,157.36, 51,278.04 and 21,243.30 is: 29,316.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,157.36 : 51,278.04 = 21,243.30 : x
  2. Step 2: Convert to fraction form
    37,157.36/51,278.04 = 21,243.30/x
  3. Step 3: Cross multiply
    37,157.36x = 51,278.04 × 21,243.30
  4. Step 4: Simplify right side
    37,157.36x = 1,089,314,787.13
  5. Step 5: Solve for x
    x = 1,089,314,787.13/37,157.36
  6. Step 6: Final answer
    x = 29,316.26

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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.