Home / 35,383.95-48,825.81-20,272.50

Finding the Fourth Proportional to 35,383.95, 48,825.81 and 20,272.50

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Solution

The fourth proportional to 35,383.95, 48,825.81 and 20,272.50 is: 27,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,383.95 : 48,825.81 = 20,272.50 : x
  2. Step 2: Convert to fraction form
    35,383.95/48,825.81 = 20,272.50/x
  3. Step 3: Cross multiply
    35,383.95x = 48,825.81 × 20,272.50
  4. Step 4: Simplify right side
    35,383.95x = 989,821,233.23
  5. Step 5: Solve for x
    x = 989,821,233.23/35,383.95
  6. Step 6: Final answer
    x = 27,973.73

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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.