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Finding the Fourth Proportional to 50,883.66, 70,208.21 and 29,368.85

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Solution

The fourth proportional to 50,883.66, 70,208.21 and 29,368.85 is: 40,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,883.66 : 70,208.21 = 29,368.85 : x
  2. Step 2: Convert to fraction form
    50,883.66/70,208.21 = 29,368.85/x
  3. Step 3: Cross multiply
    50,883.66x = 70,208.21 × 29,368.85
  4. Step 4: Simplify right side
    50,883.66x = 2,061,933,890.37
  5. Step 5: Solve for x
    x = 2,061,933,890.37/50,883.66
  6. Step 6: Final answer
    x = 40,522.52

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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.