Home / 31,868.88-43,973.88-17,721.36

Finding the Fourth Proportional to 31,868.88, 43,973.88 and 17,721.36

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Solution

The fourth proportional to 31,868.88, 43,973.88 and 17,721.36 is: 24,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,868.88 : 43,973.88 = 17,721.36 : x
  2. Step 2: Convert to fraction form
    31,868.88/43,973.88 = 17,721.36/x
  3. Step 3: Cross multiply
    31,868.88x = 43,973.88 × 17,721.36
  4. Step 4: Simplify right side
    31,868.88x = 779,276,958.08
  5. Step 5: Solve for x
    x = 779,276,958.08/31,868.88
  6. Step 6: Final answer
    x = 24,452.60

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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.