Home / 51,263.62-76,920-27,890.02

Finding the Fourth Proportional to 51,263.62, 76,920 and 27,890.02

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Solution

The fourth proportional to 51,263.62, 76,920 and 27,890.02 is: 41,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,263.62 : 76,920 = 27,890.02 : x
  2. Step 2: Convert to fraction form
    51,263.62/76,920 = 27,890.02/x
  3. Step 3: Cross multiply
    51,263.62x = 76,920 × 27,890.02
  4. Step 4: Simplify right side
    51,263.62x = 2,145,300,338.40
  5. Step 5: Solve for x
    x = 2,145,300,338.40/51,263.62
  6. Step 6: Final answer
    x = 41,848.40

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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.