Home / 35,272.36-48,686.22-20,173.60

Finding the Fourth Proportional to 35,272.36, 48,686.22 and 20,173.60

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Solution

The fourth proportional to 35,272.36, 48,686.22 and 20,173.60 is: 27,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,272.36 : 48,686.22 = 20,173.60 : x
  2. Step 2: Convert to fraction form
    35,272.36/48,686.22 = 20,173.60/x
  3. Step 3: Cross multiply
    35,272.36x = 48,686.22 × 20,173.60
  4. Step 4: Simplify right side
    35,272.36x = 982,176,327.79
  5. Step 5: Solve for x
    x = 982,176,327.79/35,272.36
  6. Step 6: Final answer
    x = 27,845.50

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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.