Home / 36,621.88-54,933.48-12,928.85

Finding the Fourth Proportional to 36,621.88, 54,933.48 and 12,928.85

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Solution

The fourth proportional to 36,621.88, 54,933.48 and 12,928.85 is: 19,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,621.88 : 54,933.48 = 12,928.85 : x
  2. Step 2: Convert to fraction form
    36,621.88/54,933.48 = 12,928.85/x
  3. Step 3: Cross multiply
    36,621.88x = 54,933.48 × 12,928.85
  4. Step 4: Simplify right side
    36,621.88x = 710,226,654.23
  5. Step 5: Solve for x
    x = 710,226,654.23/36,621.88
  6. Step 6: Final answer
    x = 19,393.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.