Home / 31,185.59-43,041.36-17,754.98

Finding the Fourth Proportional to 31,185.59, 43,041.36 and 17,754.98

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Solution

The fourth proportional to 31,185.59, 43,041.36 and 17,754.98 is: 24,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185.59 : 43,041.36 = 17,754.98 : x
  2. Step 2: Convert to fraction form
    31,185.59/43,041.36 = 17,754.98/x
  3. Step 3: Cross multiply
    31,185.59x = 43,041.36 × 17,754.98
  4. Step 4: Simplify right side
    31,185.59x = 764,198,270.77
  5. Step 5: Solve for x
    x = 764,198,270.77/31,185.59
  6. Step 6: Final answer
    x = 24,504.86

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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.