Home / 35,394.96-48,846.20-20,290.49

Finding the Fourth Proportional to 35,394.96, 48,846.20 and 20,290.49

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Solution

The fourth proportional to 35,394.96, 48,846.20 and 20,290.49 is: 28,001.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,394.96 : 48,846.20 = 20,290.49 : x
  2. Step 2: Convert to fraction form
    35,394.96/48,846.20 = 20,290.49/x
  3. Step 3: Cross multiply
    35,394.96x = 48,846.20 × 20,290.49
  4. Step 4: Simplify right side
    35,394.96x = 991,112,986.95
  5. Step 5: Solve for x
    x = 991,112,986.95/35,394.96
  6. Step 6: Final answer
    x = 28,001.53

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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.