Home / 37,520.88-51,776.64-20,521.73

Finding the Fourth Proportional to 37,520.88, 51,776.64 and 20,521.73

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Solution

The fourth proportional to 37,520.88, 51,776.64 and 20,521.73 is: 28,318.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,520.88 : 51,776.64 = 20,521.73 : x
  2. Step 2: Convert to fraction form
    37,520.88/51,776.64 = 20,521.73/x
  3. Step 3: Cross multiply
    37,520.88x = 51,776.64 × 20,521.73
  4. Step 4: Simplify right side
    37,520.88x = 1,062,545,967.50
  5. Step 5: Solve for x
    x = 1,062,545,967.50/37,520.88
  6. Step 6: Final answer
    x = 28,318.79

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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.