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Finding the Fourth Proportional to 41,005.63, 61,510.74 and 12,926.44

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Solution

The fourth proportional to 41,005.63, 61,510.74 and 12,926.44 is: 19,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,005.63 : 61,510.74 = 12,926.44 : x
  2. Step 2: Convert to fraction form
    41,005.63/61,510.74 = 12,926.44/x
  3. Step 3: Cross multiply
    41,005.63x = 61,510.74 × 12,926.44
  4. Step 4: Simplify right side
    41,005.63x = 795,114,889.97
  5. Step 5: Solve for x
    x = 795,114,889.97/41,005.63
  6. Step 6: Final answer
    x = 19,390.38

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1.5x scale

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.