Home / 51,285.08-76,961.99-18,005.25

Finding the Fourth Proportional to 51,285.08, 76,961.99 and 18,005.25

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Solution

The fourth proportional to 51,285.08, 76,961.99 and 18,005.25 is: 27,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,285.08 : 76,961.99 = 18,005.25 : x
  2. Step 2: Convert to fraction form
    51,285.08/76,961.99 = 18,005.25/x
  3. Step 3: Cross multiply
    51,285.08x = 76,961.99 × 18,005.25
  4. Step 4: Simplify right side
    51,285.08x = 1,385,719,870.45
  5. Step 5: Solve for x
    x = 1,385,719,870.45/51,285.08
  6. Step 6: Final answer
    x = 27,019.94

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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.