Home / 36,136.29-49,870.17-20,220.60

Finding the Fourth Proportional to 36,136.29, 49,870.17 and 20,220.60

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Solution

The fourth proportional to 36,136.29, 49,870.17 and 20,220.60 is: 27,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,136.29 : 49,870.17 = 20,220.60 : x
  2. Step 2: Convert to fraction form
    36,136.29/49,870.17 = 20,220.60/x
  3. Step 3: Cross multiply
    36,136.29x = 49,870.17 × 20,220.60
  4. Step 4: Simplify right side
    36,136.29x = 1,008,404,759.50
  5. Step 5: Solve for x
    x = 1,008,404,759.50/36,136.29
  6. Step 6: Final answer
    x = 27,905.60

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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.