Home / 30,306.54-45,441.75-12,523.38

Finding the Fourth Proportional to 30,306.54, 45,441.75 and 12,523.38

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Solution

The fourth proportional to 30,306.54, 45,441.75 and 12,523.38 is: 18,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.54 : 45,441.75 = 12,523.38 : x
  2. Step 2: Convert to fraction form
    30,306.54/45,441.75 = 12,523.38/x
  3. Step 3: Cross multiply
    30,306.54x = 45,441.75 × 12,523.38
  4. Step 4: Simplify right side
    30,306.54x = 569,084,303.12
  5. Step 5: Solve for x
    x = 569,084,303.12/30,306.54
  6. Step 6: Final answer
    x = 18,777.61

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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.