Home / 32,905.20-49,357.80-12,136.80

Finding the Fourth Proportional to 32,905.20, 49,357.80 and 12,136.80

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Solution

The fourth proportional to 32,905.20, 49,357.80 and 12,136.80 is: 18,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.20 : 49,357.80 = 12,136.80 : x
  2. Step 2: Convert to fraction form
    32,905.20/49,357.80 = 12,136.80/x
  3. Step 3: Cross multiply
    32,905.20x = 49,357.80 × 12,136.80
  4. Step 4: Simplify right side
    32,905.20x = 599,045,747.04
  5. Step 5: Solve for x
    x = 599,045,747.04/32,905.20
  6. Step 6: Final answer
    x = 18,205.20

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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.