Home / 50,511.53-69,677.37-31,615.85

Finding the Fourth Proportional to 50,511.53, 69,677.37 and 31,615.85

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Solution

The fourth proportional to 50,511.53, 69,677.37 and 31,615.85 is: 43,612.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,511.53 : 69,677.37 = 31,615.85 : x
  2. Step 2: Convert to fraction form
    50,511.53/69,677.37 = 31,615.85/x
  3. Step 3: Cross multiply
    50,511.53x = 69,677.37 × 31,615.85
  4. Step 4: Simplify right side
    50,511.53x = 2,202,909,278.31
  5. Step 5: Solve for x
    x = 2,202,909,278.31/50,511.53
  6. Step 6: Final answer
    x = 43,612.01

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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.