Home / 31,826.61-43,918.97-17,678.54

Finding the Fourth Proportional to 31,826.61, 43,918.97 and 17,678.54

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Solution

The fourth proportional to 31,826.61, 43,918.97 and 17,678.54 is: 24,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,826.61 : 43,918.97 = 17,678.54 : x
  2. Step 2: Convert to fraction form
    31,826.61/43,918.97 = 17,678.54/x
  3. Step 3: Cross multiply
    31,826.61x = 43,918.97 × 17,678.54
  4. Step 4: Simplify right side
    31,826.61x = 776,423,289.31
  5. Step 5: Solve for x
    x = 776,423,289.31/31,826.61
  6. Step 6: Final answer
    x = 24,395.41

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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.