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Finding the Fourth Proportional to 35,898.67, 53,879.12 and 35,815.65

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Solution

The fourth proportional to 35,898.67, 53,879.12 and 35,815.65 is: 53,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,898.67 : 53,879.12 = 35,815.65 : x
  2. Step 2: Convert to fraction form
    35,898.67/53,879.12 = 35,815.65/x
  3. Step 3: Cross multiply
    35,898.67x = 53,879.12 × 35,815.65
  4. Step 4: Simplify right side
    35,898.67x = 1,929,715,704.23
  5. Step 5: Solve for x
    x = 1,929,715,704.23/35,898.67
  6. Step 6: Final answer
    x = 53,754.52

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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.