Home / 51,081.40-76,616.70-16,019.20

Finding the Fourth Proportional to 51,081.40, 76,616.70 and 16,019.20

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Solution

The fourth proportional to 51,081.40, 76,616.70 and 16,019.20 is: 24,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,081.40 : 76,616.70 = 16,019.20 : x
  2. Step 2: Convert to fraction form
    51,081.40/76,616.70 = 16,019.20/x
  3. Step 3: Cross multiply
    51,081.40x = 76,616.70 × 16,019.20
  4. Step 4: Simplify right side
    51,081.40x = 1,227,338,240.64
  5. Step 5: Solve for x
    x = 1,227,338,240.64/51,081.40
  6. Step 6: Final answer
    x = 24,027.11

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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.