Home / 55,321.40-76,350.39-33,806.72

Finding the Fourth Proportional to 55,321.40, 76,350.39 and 33,806.72

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Solution

The fourth proportional to 55,321.40, 76,350.39 and 33,806.72 is: 46,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,321.40 : 76,350.39 = 33,806.72 : x
  2. Step 2: Convert to fraction form
    55,321.40/76,350.39 = 33,806.72/x
  3. Step 3: Cross multiply
    55,321.40x = 76,350.39 × 33,806.72
  4. Step 4: Simplify right side
    55,321.40x = 2,581,156,256.62
  5. Step 5: Solve for x
    x = 2,581,156,256.62/55,321.40
  6. Step 6: Final answer
    x = 46,657.46

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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.