Home / 31,469.88-43,428.45-17,322.63

Finding the Fourth Proportional to 31,469.88, 43,428.45 and 17,322.63

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Solution

The fourth proportional to 31,469.88, 43,428.45 and 17,322.63 is: 23,905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.88 : 43,428.45 = 17,322.63 : x
  2. Step 2: Convert to fraction form
    31,469.88/43,428.45 = 17,322.63/x
  3. Step 3: Cross multiply
    31,469.88x = 43,428.45 × 17,322.63
  4. Step 4: Simplify right side
    31,469.88x = 752,294,970.82
  5. Step 5: Solve for x
    x = 752,294,970.82/31,469.88
  6. Step 6: Final answer
    x = 23,905.24

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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.