Home / 29,653.76-44,472.96-12,120.32

Finding the Fourth Proportional to 29,653.76, 44,472.96 and 12,120.32

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Solution

The fourth proportional to 29,653.76, 44,472.96 and 12,120.32 is: 18,177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,653.76 : 44,472.96 = 12,120.32 : x
  2. Step 2: Convert to fraction form
    29,653.76/44,472.96 = 12,120.32/x
  3. Step 3: Cross multiply
    29,653.76x = 44,472.96 × 12,120.32
  4. Step 4: Simplify right side
    29,653.76x = 539,026,506.55
  5. Step 5: Solve for x
    x = 539,026,506.55/29,653.76
  6. Step 6: Final answer
    x = 18,177.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.