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Finding the Fourth Proportional to 62,044.21, 93,020.94 and 19,900.30

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Solution

The fourth proportional to 62,044.21, 93,020.94 and 19,900.30 is: 29,835.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,044.21 : 93,020.94 = 19,900.30 : x
  2. Step 2: Convert to fraction form
    62,044.21/93,020.94 = 19,900.30/x
  3. Step 3: Cross multiply
    62,044.21x = 93,020.94 × 19,900.30
  4. Step 4: Simplify right side
    62,044.21x = 1,851,144,554.14
  5. Step 5: Solve for x
    x = 1,851,144,554.14/62,044.21
  6. Step 6: Final answer
    x = 29,835.89

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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.