Home / 31,584.80-43,592.64-18,838.76

Finding the Fourth Proportional to 31,584.80, 43,592.64 and 18,838.76

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Solution

The fourth proportional to 31,584.80, 43,592.64 and 18,838.76 is: 26,000.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584.80 : 43,592.64 = 18,838.76 : x
  2. Step 2: Convert to fraction form
    31,584.80/43,592.64 = 18,838.76/x
  3. Step 3: Cross multiply
    31,584.80x = 43,592.64 × 18,838.76
  4. Step 4: Simplify right side
    31,584.80x = 821,231,282.73
  5. Step 5: Solve for x
    x = 821,231,282.73/31,584.80
  6. Step 6: Final answer
    x = 26,000.84

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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.