Home / 31,756.86-43,804.62-20,441.10

Finding the Fourth Proportional to 31,756.86, 43,804.62 and 20,441.10

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Solution

The fourth proportional to 31,756.86, 43,804.62 and 20,441.10 is: 28,195.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,756.86 : 43,804.62 = 20,441.10 : x
  2. Step 2: Convert to fraction form
    31,756.86/43,804.62 = 20,441.10/x
  3. Step 3: Cross multiply
    31,756.86x = 43,804.62 × 20,441.10
  4. Step 4: Simplify right side
    31,756.86x = 895,414,617.88
  5. Step 5: Solve for x
    x = 895,414,617.88/31,756.86
  6. Step 6: Final answer
    x = 28,195.94

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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.