Home / 53,177.41-79,797.12-19,920.83

Finding the Fourth Proportional to 53,177.41, 79,797.12 and 19,920.83

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Solution

The fourth proportional to 53,177.41, 79,797.12 and 19,920.83 is: 29,892.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,177.41 : 79,797.12 = 19,920.83 : x
  2. Step 2: Convert to fraction form
    53,177.41/79,797.12 = 19,920.83/x
  3. Step 3: Cross multiply
    53,177.41x = 79,797.12 × 19,920.83
  4. Step 4: Simplify right side
    53,177.41x = 1,589,624,762.41
  5. Step 5: Solve for x
    x = 1,589,624,762.41/53,177.41
  6. Step 6: Final answer
    x = 29,892.86

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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.