Home / 53,455.94-80,192.11-38,775.70

Finding the Fourth Proportional to 53,455.94, 80,192.11 and 38,775.70

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Solution

The fourth proportional to 53,455.94, 80,192.11 and 38,775.70 is: 58,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,455.94 : 80,192.11 = 38,775.70 : x
  2. Step 2: Convert to fraction form
    53,455.94/80,192.11 = 38,775.70/x
  3. Step 3: Cross multiply
    53,455.94x = 80,192.11 × 38,775.70
  4. Step 4: Simplify right side
    53,455.94x = 3,109,505,199.73
  5. Step 5: Solve for x
    x = 3,109,505,199.73/53,455.94
  6. Step 6: Final answer
    x = 58,169.50

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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.