Home / 57,261.26-79,015.56-33,390.20

Finding the Fourth Proportional to 57,261.26, 79,015.56 and 33,390.20

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Solution

The fourth proportional to 57,261.26, 79,015.56 and 33,390.20 is: 46,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,261.26 : 79,015.56 = 33,390.20 : x
  2. Step 2: Convert to fraction form
    57,261.26/79,015.56 = 33,390.20/x
  3. Step 3: Cross multiply
    57,261.26x = 79,015.56 × 33,390.20
  4. Step 4: Simplify right side
    57,261.26x = 2,638,345,351.51
  5. Step 5: Solve for x
    x = 2,638,345,351.51/57,261.26
  6. Step 6: Final answer
    x = 46,075.57

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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.