Home / 49,194.70-73,751.55-21,136.30

Finding the Fourth Proportional to 49,194.70, 73,751.55 and 21,136.30

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Solution

The fourth proportional to 49,194.70, 73,751.55 and 21,136.30 is: 31,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,194.70 : 73,751.55 = 21,136.30 : x
  2. Step 2: Convert to fraction form
    49,194.70/73,751.55 = 21,136.30/x
  3. Step 3: Cross multiply
    49,194.70x = 73,751.55 × 21,136.30
  4. Step 4: Simplify right side
    49,194.70x = 1,558,834,886.27
  5. Step 5: Solve for x
    x = 1,558,834,886.27/49,194.70
  6. Step 6: Final answer
    x = 31,687.05

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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.