Home / 42,028.36-63,046.06-10,864.20

Finding the Fourth Proportional to 42,028.36, 63,046.06 and 10,864.20

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Solution

The fourth proportional to 42,028.36, 63,046.06 and 10,864.20 is: 16,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,028.36 : 63,046.06 = 10,864.20 : x
  2. Step 2: Convert to fraction form
    42,028.36/63,046.06 = 10,864.20/x
  3. Step 3: Cross multiply
    42,028.36x = 63,046.06 × 10,864.20
  4. Step 4: Simplify right side
    42,028.36x = 684,945,005.05
  5. Step 5: Solve for x
    x = 684,945,005.05/42,028.36
  6. Step 6: Final answer
    x = 16,297.21

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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.