Home / 51,228.96-76,878.04-17,949.28

Finding the Fourth Proportional to 51,228.96, 76,878.04 and 17,949.28

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Solution

The fourth proportional to 51,228.96, 76,878.04 and 17,949.28 is: 26,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,228.96 : 76,878.04 = 17,949.28 : x
  2. Step 2: Convert to fraction form
    51,228.96/76,878.04 = 17,949.28/x
  3. Step 3: Cross multiply
    51,228.96x = 76,878.04 × 17,949.28
  4. Step 4: Simplify right side
    51,228.96x = 1,379,905,465.81
  5. Step 5: Solve for x
    x = 1,379,905,465.81/51,228.96
  6. Step 6: Final answer
    x = 26,936.04

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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.