Home / 31,253.40-43,129.62-17,106.12

Finding the Fourth Proportional to 31,253.40, 43,129.62 and 17,106.12

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Solution

The fourth proportional to 31,253.40, 43,129.62 and 17,106.12 is: 23,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,253.40 : 43,129.62 = 17,106.12 : x
  2. Step 2: Convert to fraction form
    31,253.40/43,129.62 = 17,106.12/x
  3. Step 3: Cross multiply
    31,253.40x = 43,129.62 × 17,106.12
  4. Step 4: Simplify right side
    31,253.40x = 737,780,455.27
  5. Step 5: Solve for x
    x = 737,780,455.27/31,253.40
  6. Step 6: Final answer
    x = 23,606.41

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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.