Home / 40,296.32-55,607.82-22,390.86

Finding the Fourth Proportional to 40,296.32, 55,607.82 and 22,390.86

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Solution

The fourth proportional to 40,296.32, 55,607.82 and 22,390.86 is: 30,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,296.32 : 55,607.82 = 22,390.86 : x
  2. Step 2: Convert to fraction form
    40,296.32/55,607.82 = 22,390.86/x
  3. Step 3: Cross multiply
    40,296.32x = 55,607.82 × 22,390.86
  4. Step 4: Simplify right side
    40,296.32x = 1,245,106,912.53
  5. Step 5: Solve for x
    x = 1,245,106,912.53/40,296.32
  6. Step 6: Final answer
    x = 30,898.77

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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.