Home / 45,249.16-67,838.50-21,544.51

Finding the Fourth Proportional to 45,249.16, 67,838.50 and 21,544.51

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Solution

The fourth proportional to 45,249.16, 67,838.50 and 21,544.51 is: 32,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,249.16 : 67,838.50 = 21,544.51 : x
  2. Step 2: Convert to fraction form
    45,249.16/67,838.50 = 21,544.51/x
  3. Step 3: Cross multiply
    45,249.16x = 67,838.50 × 21,544.51
  4. Step 4: Simplify right side
    45,249.16x = 1,461,546,848.58
  5. Step 5: Solve for x
    x = 1,461,546,848.58/45,249.16
  6. Step 6: Final answer
    x = 32,299.98

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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.