Home / 41,239.76-61,890.74-30,175.00

Finding the Fourth Proportional to 41,239.76, 61,890.74 and 30,175.00

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Solution

The fourth proportional to 41,239.76, 61,890.74 and 30,175.00 is: 45,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,239.76 : 61,890.74 = 30,175.00 : x
  2. Step 2: Convert to fraction form
    41,239.76/61,890.74 = 30,175.00/x
  3. Step 3: Cross multiply
    41,239.76x = 61,890.74 × 30,175.00
  4. Step 4: Simplify right side
    41,239.76x = 1,867,553,000.21
  5. Step 5: Solve for x
    x = 1,867,553,000.21/41,239.76
  6. Step 6: Final answer
    x = 45,285.25

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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.