Home / 31,512.59-43,485.40-18,084.95

Finding the Fourth Proportional to 31,512.59, 43,485.40 and 18,084.95

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Solution

The fourth proportional to 31,512.59, 43,485.40 and 18,084.95 is: 24,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.59 : 43,485.40 = 18,084.95 : x
  2. Step 2: Convert to fraction form
    31,512.59/43,485.40 = 18,084.95/x
  3. Step 3: Cross multiply
    31,512.59x = 43,485.40 × 18,084.95
  4. Step 4: Simplify right side
    31,512.59x = 786,431,284.73
  5. Step 5: Solve for x
    x = 786,431,284.73/31,512.59
  6. Step 6: Final answer
    x = 24,956.10

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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.