Home / 31,857.04-47,785.02-11,080

Finding the Fourth Proportional to 31,857.04, 47,785.02 and 11,080

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Solution

The fourth proportional to 31,857.04, 47,785.02 and 11,080 is: 16,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,857.04 : 47,785.02 = 11,080 : x
  2. Step 2: Convert to fraction form
    31,857.04/47,785.02 = 11,080/x
  3. Step 3: Cross multiply
    31,857.04x = 47,785.02 × 11,080
  4. Step 4: Simplify right side
    31,857.04x = 529,458,021.60
  5. Step 5: Solve for x
    x = 529,458,021.60/31,857.04
  6. Step 6: Final answer
    x = 16,619.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.