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Finding the Fourth Proportional to 36,808.88, 50,807.72 and 20,903.92

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Solution

The fourth proportional to 36,808.88, 50,807.72 and 20,903.92 is: 28,853.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,808.88 : 50,807.72 = 20,903.92 : x
  2. Step 2: Convert to fraction form
    36,808.88/50,807.72 = 20,903.92/x
  3. Step 3: Cross multiply
    36,808.88x = 50,807.72 × 20,903.92
  4. Step 4: Simplify right side
    36,808.88x = 1,062,080,514.26
  5. Step 5: Solve for x
    x = 1,062,080,514.26/36,808.88
  6. Step 6: Final answer
    x = 28,853.92

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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.