Home / 53,969.02-80,950.79-18,905.94

Finding the Fourth Proportional to 53,969.02, 80,950.79 and 18,905.94

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Solution

The fourth proportional to 53,969.02, 80,950.79 and 18,905.94 is: 28,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,969.02 : 80,950.79 = 18,905.94 : x
  2. Step 2: Convert to fraction form
    53,969.02/80,950.79 = 18,905.94/x
  3. Step 3: Cross multiply
    53,969.02x = 80,950.79 × 18,905.94
  4. Step 4: Simplify right side
    53,969.02x = 1,530,450,825.96
  5. Step 5: Solve for x
    x = 1,530,450,825.96/53,969.02
  6. Step 6: Final answer
    x = 28,357.95

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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.