Home / 50,586.05-75,909.45-21,000.80

Finding the Fourth Proportional to 50,586.05, 75,909.45 and 21,000.80

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Solution

The fourth proportional to 50,586.05, 75,909.45 and 21,000.80 is: 31,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,586.05 : 75,909.45 = 21,000.80 : x
  2. Step 2: Convert to fraction form
    50,586.05/75,909.45 = 21,000.80/x
  3. Step 3: Cross multiply
    50,586.05x = 75,909.45 × 21,000.80
  4. Step 4: Simplify right side
    50,586.05x = 1,594,159,177.56
  5. Step 5: Solve for x
    x = 1,594,159,177.56/50,586.05
  6. Step 6: Final answer
    x = 31,513.81

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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.