Home / 31,419.88-43,359.74-17,273.02

Finding the Fourth Proportional to 31,419.88, 43,359.74 and 17,273.02

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Solution

The fourth proportional to 31,419.88, 43,359.74 and 17,273.02 is: 23,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,419.88 : 43,359.74 = 17,273.02 : x
  2. Step 2: Convert to fraction form
    31,419.88/43,359.74 = 17,273.02/x
  3. Step 3: Cross multiply
    31,419.88x = 43,359.74 × 17,273.02
  4. Step 4: Simplify right side
    31,419.88x = 748,953,656.21
  5. Step 5: Solve for x
    x = 748,953,656.21/31,419.88
  6. Step 6: Final answer
    x = 23,836.94

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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.