Home / 36,861.33-50,868.65-20,945.80

Finding the Fourth Proportional to 36,861.33, 50,868.65 and 20,945.80

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Solution

The fourth proportional to 36,861.33, 50,868.65 and 20,945.80 is: 28,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,861.33 : 50,868.65 = 20,945.80 : x
  2. Step 2: Convert to fraction form
    36,861.33/50,868.65 = 20,945.80/x
  3. Step 3: Cross multiply
    36,861.33x = 50,868.65 × 20,945.80
  4. Step 4: Simplify right side
    36,861.33x = 1,065,484,569.17
  5. Step 5: Solve for x
    x = 1,065,484,569.17/36,861.33
  6. Step 6: Final answer
    x = 28,905.21

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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.