Home / 55,716-76,890.90-35,556.72

Finding the Fourth Proportional to 55,716, 76,890.90 and 35,556.72

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Solution

The fourth proportional to 55,716, 76,890.90 and 35,556.72 is: 49,070.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,716 : 76,890.90 = 35,556.72 : x
  2. Step 2: Convert to fraction form
    55,716/76,890.90 = 35,556.72/x
  3. Step 3: Cross multiply
    55,716x = 76,890.90 × 35,556.72
  4. Step 4: Simplify right side
    55,716x = 2,733,988,201.85
  5. Step 5: Solve for x
    x = 2,733,988,201.85/55,716
  6. Step 6: Final answer
    x = 49,070.07

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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.