Home / 30,616.66-45,936.51-20,848.06

Finding the Fourth Proportional to 30,616.66, 45,936.51 and 20,848.06

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Solution

The fourth proportional to 30,616.66, 45,936.51 and 20,848.06 is: 31,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,616.66 : 45,936.51 = 20,848.06 : x
  2. Step 2: Convert to fraction form
    30,616.66/45,936.51 = 20,848.06/x
  3. Step 3: Cross multiply
    30,616.66x = 45,936.51 × 20,848.06
  4. Step 4: Simplify right side
    30,616.66x = 957,687,116.67
  5. Step 5: Solve for x
    x = 957,687,116.67/30,616.66
  6. Step 6: Final answer
    x = 31,279.93

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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.