Home / 31,862.62-43,973.85-18,433.63

Finding the Fourth Proportional to 31,862.62, 43,973.85 and 18,433.63

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Solution

The fourth proportional to 31,862.62, 43,973.85 and 18,433.63 is: 25,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862.62 : 43,973.85 = 18,433.63 : x
  2. Step 2: Convert to fraction form
    31,862.62/43,973.85 = 18,433.63/x
  3. Step 3: Cross multiply
    31,862.62x = 43,973.85 × 18,433.63
  4. Step 4: Simplify right side
    31,862.62x = 810,597,680.58
  5. Step 5: Solve for x
    x = 810,597,680.58/31,862.62
  6. Step 6: Final answer
    x = 25,440.40

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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.