Home / 34,723.53-47,915.99-20,383.95

Finding the Fourth Proportional to 34,723.53, 47,915.99 and 20,383.95

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Solution

The fourth proportional to 34,723.53, 47,915.99 and 20,383.95 is: 28,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,723.53 : 47,915.99 = 20,383.95 : x
  2. Step 2: Convert to fraction form
    34,723.53/47,915.99 = 20,383.95/x
  3. Step 3: Cross multiply
    34,723.53x = 47,915.99 × 20,383.95
  4. Step 4: Simplify right side
    34,723.53x = 976,717,042.44
  5. Step 5: Solve for x
    x = 976,717,042.44/34,723.53
  6. Step 6: Final answer
    x = 28,128.39

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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.