Home / 41,271.54-61,916.20-12,807.91

Finding the Fourth Proportional to 41,271.54, 61,916.20 and 12,807.91

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Solution

The fourth proportional to 41,271.54, 61,916.20 and 12,807.91 is: 19,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,271.54 : 61,916.20 = 12,807.91 : x
  2. Step 2: Convert to fraction form
    41,271.54/61,916.20 = 12,807.91/x
  3. Step 3: Cross multiply
    41,271.54x = 61,916.20 × 12,807.91
  4. Step 4: Simplify right side
    41,271.54x = 793,016,814.24
  5. Step 5: Solve for x
    x = 793,016,814.24/41,271.54
  6. Step 6: Final answer
    x = 19,214.62

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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.