Home / 45,582.75-68,373.77-13,992.75

Finding the Fourth Proportional to 45,582.75, 68,373.77 and 13,992.75

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Solution

The fourth proportional to 45,582.75, 68,373.77 and 13,992.75 is: 20,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,582.75 : 68,373.77 = 13,992.75 : x
  2. Step 2: Convert to fraction form
    45,582.75/68,373.77 = 13,992.75/x
  3. Step 3: Cross multiply
    45,582.75x = 68,373.77 × 13,992.75
  4. Step 4: Simplify right side
    45,582.75x = 956,737,000.20
  5. Step 5: Solve for x
    x = 956,737,000.20/45,582.75
  6. Step 6: Final answer
    x = 20,989.01

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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.