Home / 40,913.70-61,370.49-12,836.21

Finding the Fourth Proportional to 40,913.70, 61,370.49 and 12,836.21

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Solution

The fourth proportional to 40,913.70, 61,370.49 and 12,836.21 is: 19,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,913.70 : 61,370.49 = 12,836.21 : x
  2. Step 2: Convert to fraction form
    40,913.70/61,370.49 = 12,836.21/x
  3. Step 3: Cross multiply
    40,913.70x = 61,370.49 × 12,836.21
  4. Step 4: Simplify right side
    40,913.70x = 787,764,497.44
  5. Step 5: Solve for x
    x = 787,764,497.44/40,913.70
  6. Step 6: Final answer
    x = 19,254.30

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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.