Home / 34,723.41-47,915.81-20,383.82

Finding the Fourth Proportional to 34,723.41, 47,915.81 and 20,383.82

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Solution

The fourth proportional to 34,723.41, 47,915.81 and 20,383.82 is: 28,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,723.41 : 47,915.81 = 20,383.82 : x
  2. Step 2: Convert to fraction form
    34,723.41/47,915.81 = 20,383.82/x
  3. Step 3: Cross multiply
    34,723.41x = 47,915.81 × 20,383.82
  4. Step 4: Simplify right side
    34,723.41x = 976,707,416.94
  5. Step 5: Solve for x
    x = 976,707,416.94/34,723.41
  6. Step 6: Final answer
    x = 28,128.21

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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.