Home / 45,989.74-69,011.22-19,333.62

Finding the Fourth Proportional to 45,989.74, 69,011.22 and 19,333.62

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Solution

The fourth proportional to 45,989.74, 69,011.22 and 19,333.62 is: 29,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,989.74 : 69,011.22 = 19,333.62 : x
  2. Step 2: Convert to fraction form
    45,989.74/69,011.22 = 19,333.62/x
  3. Step 3: Cross multiply
    45,989.74x = 69,011.22 × 19,333.62
  4. Step 4: Simplify right side
    45,989.74x = 1,334,236,606.55
  5. Step 5: Solve for x
    x = 1,334,236,606.55/45,989.74
  6. Step 6: Final answer
    x = 29,011.61

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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.