Home / 55,651.22-76,803.54-30,505.58

Finding the Fourth Proportional to 55,651.22, 76,803.54 and 30,505.58

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Solution

The fourth proportional to 55,651.22, 76,803.54 and 30,505.58 is: 42,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,651.22 : 76,803.54 = 30,505.58 : x
  2. Step 2: Convert to fraction form
    55,651.22/76,803.54 = 30,505.58/x
  3. Step 3: Cross multiply
    55,651.22x = 76,803.54 × 30,505.58
  4. Step 4: Simplify right side
    55,651.22x = 2,342,936,494.95
  5. Step 5: Solve for x
    x = 2,342,936,494.95/55,651.22
  6. Step 6: Final answer
    x = 42,100.36

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1.5x scale

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.