Home / 36,890.72-50,909.28-20,124.80

Finding the Fourth Proportional to 36,890.72, 50,909.28 and 20,124.80

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Solution

The fourth proportional to 36,890.72, 50,909.28 and 20,124.80 is: 27,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,890.72 : 50,909.28 = 20,124.80 : x
  2. Step 2: Convert to fraction form
    36,890.72/50,909.28 = 20,124.80/x
  3. Step 3: Cross multiply
    36,890.72x = 50,909.28 × 20,124.80
  4. Step 4: Simplify right side
    36,890.72x = 1,024,539,078.14
  5. Step 5: Solve for x
    x = 1,024,539,078.14/36,890.72
  6. Step 6: Final answer
    x = 27,772.27

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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.