Home / 50,638.34-69,878.78-29,126.45

Finding the Fourth Proportional to 50,638.34, 69,878.78 and 29,126.45

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Solution

The fourth proportional to 50,638.34, 69,878.78 and 29,126.45 is: 40,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,638.34 : 69,878.78 = 29,126.45 : x
  2. Step 2: Convert to fraction form
    50,638.34/69,878.78 = 29,126.45/x
  3. Step 3: Cross multiply
    50,638.34x = 69,878.78 × 29,126.45
  4. Step 4: Simplify right side
    50,638.34x = 2,035,320,791.73
  5. Step 5: Solve for x
    x = 2,035,320,791.73/50,638.34
  6. Step 6: Final answer
    x = 40,193.28

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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.