Home / 44,653.16-66,989.96-19,356.90

Finding the Fourth Proportional to 44,653.16, 66,989.96 and 19,356.90

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Solution

The fourth proportional to 44,653.16, 66,989.96 and 19,356.90 is: 29,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,653.16 : 66,989.96 = 19,356.90 : x
  2. Step 2: Convert to fraction form
    44,653.16/66,989.96 = 19,356.90/x
  3. Step 3: Cross multiply
    44,653.16x = 66,989.96 × 19,356.90
  4. Step 4: Simplify right side
    44,653.16x = 1,296,717,956.72
  5. Step 5: Solve for x
    x = 1,296,717,956.72/44,653.16
  6. Step 6: Final answer
    x = 29,039.78

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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.