Home / 53,651.95-80,477.93-20,372.04

Finding the Fourth Proportional to 53,651.95, 80,477.93 and 20,372.04

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Solution

The fourth proportional to 53,651.95, 80,477.93 and 20,372.04 is: 30,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,651.95 : 80,477.93 = 20,372.04 : x
  2. Step 2: Convert to fraction form
    53,651.95/80,477.93 = 20,372.04/x
  3. Step 3: Cross multiply
    53,651.95x = 80,477.93 × 20,372.04
  4. Step 4: Simplify right side
    53,651.95x = 1,639,499,660.01
  5. Step 5: Solve for x
    x = 1,639,499,660.01/53,651.95
  6. Step 6: Final answer
    x = 30,558.06

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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.