Home / 57,695.86-86,544.48-20,257.02

Finding the Fourth Proportional to 57,695.86, 86,544.48 and 20,257.02

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Solution

The fourth proportional to 57,695.86, 86,544.48 and 20,257.02 is: 30,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,695.86 : 86,544.48 = 20,257.02 : x
  2. Step 2: Convert to fraction form
    57,695.86/86,544.48 = 20,257.02/x
  3. Step 3: Cross multiply
    57,695.86x = 86,544.48 × 20,257.02
  4. Step 4: Simplify right side
    57,695.86x = 1,753,133,338.21
  5. Step 5: Solve for x
    x = 1,753,133,338.21/57,695.86
  6. Step 6: Final answer
    x = 30,385.77

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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.