Home / 51,817.62-77,721.30-18,536.34

Finding the Fourth Proportional to 51,817.62, 77,721.30 and 18,536.34

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Solution

The fourth proportional to 51,817.62, 77,721.30 and 18,536.34 is: 27,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,817.62 : 77,721.30 = 18,536.34 : x
  2. Step 2: Convert to fraction form
    51,817.62/77,721.30 = 18,536.34/x
  3. Step 3: Cross multiply
    51,817.62x = 77,721.30 × 18,536.34
  4. Step 4: Simplify right side
    51,817.62x = 1,440,668,442.04
  5. Step 5: Solve for x
    x = 1,440,668,442.04/51,817.62
  6. Step 6: Final answer
    x = 27,802.67

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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.