Home / 55,055.20-76,007.70-36,247

Finding the Fourth Proportional to 55,055.20, 76,007.70 and 36,247

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Solution

The fourth proportional to 55,055.20, 76,007.70 and 36,247 is: 50,041.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,055.20 : 76,007.70 = 36,247 : x
  2. Step 2: Convert to fraction form
    55,055.20/76,007.70 = 36,247/x
  3. Step 3: Cross multiply
    55,055.20x = 76,007.70 × 36,247
  4. Step 4: Simplify right side
    55,055.20x = 2,755,051,101.90
  5. Step 5: Solve for x
    x = 2,755,051,101.90/55,055.20
  6. Step 6: Final answer
    x = 50,041.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.