Home / 36,877.34-50,890.68-20,961.80

Finding the Fourth Proportional to 36,877.34, 50,890.68 and 20,961.80

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Solution

The fourth proportional to 36,877.34, 50,890.68 and 20,961.80 is: 28,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,877.34 : 50,890.68 = 20,961.80 : x
  2. Step 2: Convert to fraction form
    36,877.34/50,890.68 = 20,961.80/x
  3. Step 3: Cross multiply
    36,877.34x = 50,890.68 × 20,961.80
  4. Step 4: Simplify right side
    36,877.34x = 1,066,760,256.02
  5. Step 5: Solve for x
    x = 1,066,760,256.02/36,877.34
  6. Step 6: Final answer
    x = 28,927.26

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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.