Home / 31,262.09-43,141.41-16,921.85

Finding the Fourth Proportional to 31,262.09, 43,141.41 and 16,921.85

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Solution

The fourth proportional to 31,262.09, 43,141.41 and 16,921.85 is: 23,352.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.09 : 43,141.41 = 16,921.85 : x
  2. Step 2: Convert to fraction form
    31,262.09/43,141.41 = 16,921.85/x
  3. Step 3: Cross multiply
    31,262.09x = 43,141.41 × 16,921.85
  4. Step 4: Simplify right side
    31,262.09x = 730,032,253.10
  5. Step 5: Solve for x
    x = 730,032,253.10/31,262.09
  6. Step 6: Final answer
    x = 23,352.00

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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.