Home / 33,073.64-45,642.34-18,170.60

Finding the Fourth Proportional to 33,073.64, 45,642.34 and 18,170.60

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Solution

The fourth proportional to 33,073.64, 45,642.34 and 18,170.60 is: 25,075.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,073.64 : 45,642.34 = 18,170.60 : x
  2. Step 2: Convert to fraction form
    33,073.64/45,642.34 = 18,170.60/x
  3. Step 3: Cross multiply
    33,073.64x = 45,642.34 × 18,170.60
  4. Step 4: Simplify right side
    33,073.64x = 829,348,703.20
  5. Step 5: Solve for x
    x = 829,348,703.20/33,073.64
  6. Step 6: Final answer
    x = 25,075.82

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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.