Home / 35,446.11-48,915.10-20,338.44

Finding the Fourth Proportional to 35,446.11, 48,915.10 and 20,338.44

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Solution

The fourth proportional to 35,446.11, 48,915.10 and 20,338.44 is: 28,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,446.11 : 48,915.10 = 20,338.44 : x
  2. Step 2: Convert to fraction form
    35,446.11/48,915.10 = 20,338.44/x
  3. Step 3: Cross multiply
    35,446.11x = 48,915.10 × 20,338.44
  4. Step 4: Simplify right side
    35,446.11x = 994,856,826.44
  5. Step 5: Solve for x
    x = 994,856,826.44/35,446.11
  6. Step 6: Final answer
    x = 28,066.74

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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.