Home / 35,440.75-48,915.32-20,343.62

Finding the Fourth Proportional to 35,440.75, 48,915.32 and 20,343.62

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Solution

The fourth proportional to 35,440.75, 48,915.32 and 20,343.62 is: 28,078.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,440.75 : 48,915.32 = 20,343.62 : x
  2. Step 2: Convert to fraction form
    35,440.75/48,915.32 = 20,343.62/x
  3. Step 3: Cross multiply
    35,440.75x = 48,915.32 × 20,343.62
  4. Step 4: Simplify right side
    35,440.75x = 995,114,335.96
  5. Step 5: Solve for x
    x = 995,114,335.96/35,440.75
  6. Step 6: Final answer
    x = 28,078.25

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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.