Home / 40,916.68-61,375.76-12,836.08

Finding the Fourth Proportional to 40,916.68, 61,375.76 and 12,836.08

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Solution

The fourth proportional to 40,916.68, 61,375.76 and 12,836.08 is: 19,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,916.68 : 61,375.76 = 12,836.08 : x
  2. Step 2: Convert to fraction form
    40,916.68/61,375.76 = 12,836.08/x
  3. Step 3: Cross multiply
    40,916.68x = 61,375.76 × 12,836.08
  4. Step 4: Simplify right side
    40,916.68x = 787,824,165.42
  5. Step 5: Solve for x
    x = 787,824,165.42/40,916.68
  6. Step 6: Final answer
    x = 19,254.35

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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.