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Finding the Fourth Proportional to 34,751.03, 47,954.84 and 19,438.38

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Solution

The fourth proportional to 34,751.03, 47,954.84 and 19,438.38 is: 26,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,751.03 : 47,954.84 = 19,438.38 : x
  2. Step 2: Convert to fraction form
    34,751.03/47,954.84 = 19,438.38/x
  3. Step 3: Cross multiply
    34,751.03x = 47,954.84 × 19,438.38
  4. Step 4: Simplify right side
    34,751.03x = 932,164,305.57
  5. Step 5: Solve for x
    x = 932,164,305.57/34,751.03
  6. Step 6: Final answer
    x = 26,824.08

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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.