Home / 42,627.96-63,942.16-11,035.81

Finding the Fourth Proportional to 42,627.96, 63,942.16 and 11,035.81

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Solution

The fourth proportional to 42,627.96, 63,942.16 and 11,035.81 is: 16,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,627.96 : 63,942.16 = 11,035.81 : x
  2. Step 2: Convert to fraction form
    42,627.96/63,942.16 = 11,035.81/x
  3. Step 3: Cross multiply
    42,627.96x = 63,942.16 × 11,035.81
  4. Step 4: Simplify right side
    42,627.96x = 705,653,297.11
  5. Step 5: Solve for x
    x = 705,653,297.11/42,627.96
  6. Step 6: Final answer
    x = 16,553.77

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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.