Home / 30,136.92-41,590.02-18,197.94

Finding the Fourth Proportional to 30,136.92, 41,590.02 and 18,197.94

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Solution

The fourth proportional to 30,136.92, 41,590.02 and 18,197.94 is: 25,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136.92 : 41,590.02 = 18,197.94 : x
  2. Step 2: Convert to fraction form
    30,136.92/41,590.02 = 18,197.94/x
  3. Step 3: Cross multiply
    30,136.92x = 41,590.02 × 18,197.94
  4. Step 4: Simplify right side
    30,136.92x = 756,852,688.56
  5. Step 5: Solve for x
    x = 756,852,688.56/30,136.92
  6. Step 6: Final answer
    x = 25,113.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.