Home / 31,739.71-43,801.24-17,400.89

Finding the Fourth Proportional to 31,739.71, 43,801.24 and 17,400.89

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Solution

The fourth proportional to 31,739.71, 43,801.24 and 17,400.89 is: 24,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,739.71 : 43,801.24 = 17,400.89 : x
  2. Step 2: Convert to fraction form
    31,739.71/43,801.24 = 17,400.89/x
  3. Step 3: Cross multiply
    31,739.71x = 43,801.24 × 17,400.89
  4. Step 4: Simplify right side
    31,739.71x = 762,180,411.35
  5. Step 5: Solve for x
    x = 762,180,411.35/31,739.71
  6. Step 6: Final answer
    x = 24,013.47

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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.