Home / 31,562.41-47,343.56-18,405.56

Finding the Fourth Proportional to 31,562.41, 47,343.56 and 18,405.56

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Solution

The fourth proportional to 31,562.41, 47,343.56 and 18,405.56 is: 27,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,562.41 : 47,343.56 = 18,405.56 : x
  2. Step 2: Convert to fraction form
    31,562.41/47,343.56 = 18,405.56/x
  3. Step 3: Cross multiply
    31,562.41x = 47,343.56 × 18,405.56
  4. Step 4: Simplify right side
    31,562.41x = 871,384,405.45
  5. Step 5: Solve for x
    x = 871,384,405.45/31,562.41
  6. Step 6: Final answer
    x = 27,608.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.