Home / 41,124.40-61,677.36-18,916.43

Finding the Fourth Proportional to 41,124.40, 61,677.36 and 18,916.43

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Solution

The fourth proportional to 41,124.40, 61,677.36 and 18,916.43 is: 28,370.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,124.40 : 61,677.36 = 18,916.43 : x
  2. Step 2: Convert to fraction form
    41,124.40/61,677.36 = 18,916.43/x
  3. Step 3: Cross multiply
    41,124.40x = 61,677.36 × 18,916.43
  4. Step 4: Simplify right side
    41,124.40x = 1,166,715,154.64
  5. Step 5: Solve for x
    x = 1,166,715,154.64/41,124.40
  6. Step 6: Final answer
    x = 28,370.39

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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.