Home / 36,586.80-54,830.96-19,921.86

Finding the Fourth Proportional to 36,586.80, 54,830.96 and 19,921.86

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Solution

The fourth proportional to 36,586.80, 54,830.96 and 19,921.86 is: 29,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,586.80 : 54,830.96 = 19,921.86 : x
  2. Step 2: Convert to fraction form
    36,586.80/54,830.96 = 19,921.86/x
  3. Step 3: Cross multiply
    36,586.80x = 54,830.96 × 19,921.86
  4. Step 4: Simplify right side
    36,586.80x = 1,092,334,708.79
  5. Step 5: Solve for x
    x = 1,092,334,708.79/36,586.80
  6. Step 6: Final answer
    x = 29,855.98

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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.