Home / 35,408.95-48,863.45-20,310.55

Finding the Fourth Proportional to 35,408.95, 48,863.45 and 20,310.55

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Solution

The fourth proportional to 35,408.95, 48,863.45 and 20,310.55 is: 28,028.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,408.95 : 48,863.45 = 20,310.55 : x
  2. Step 2: Convert to fraction form
    35,408.95/48,863.45 = 20,310.55/x
  3. Step 3: Cross multiply
    35,408.95x = 48,863.45 × 20,310.55
  4. Step 4: Simplify right side
    35,408.95x = 992,443,473.02
  5. Step 5: Solve for x
    x = 992,443,473.02/35,408.95
  6. Step 6: Final answer
    x = 28,028.04

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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.