Home / 32,905.70-49,358.55-12,137.30

Finding the Fourth Proportional to 32,905.70, 49,358.55 and 12,137.30

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Solution

The fourth proportional to 32,905.70, 49,358.55 and 12,137.30 is: 18,205.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.70 : 49,358.55 = 12,137.30 : x
  2. Step 2: Convert to fraction form
    32,905.70/49,358.55 = 12,137.30/x
  3. Step 3: Cross multiply
    32,905.70x = 49,358.55 × 12,137.30
  4. Step 4: Simplify right side
    32,905.70x = 599,079,528.92
  5. Step 5: Solve for x
    x = 599,079,528.92/32,905.70
  6. Step 6: Final answer
    x = 18,205.95

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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.