Home / 31,303.02-43,198.20-17,155.56

Finding the Fourth Proportional to 31,303.02, 43,198.20 and 17,155.56

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Solution

The fourth proportional to 31,303.02, 43,198.20 and 17,155.56 is: 23,674.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303.02 : 43,198.20 = 17,155.56 : x
  2. Step 2: Convert to fraction form
    31,303.02/43,198.20 = 17,155.56/x
  3. Step 3: Cross multiply
    31,303.02x = 43,198.20 × 17,155.56
  4. Step 4: Simplify right side
    31,303.02x = 741,089,311.99
  5. Step 5: Solve for x
    x = 741,089,311.99/31,303.02
  6. Step 6: Final answer
    x = 23,674.69

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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.