Home / 31,825.70-47,732.40-30,245.13

Finding the Fourth Proportional to 31,825.70, 47,732.40 and 30,245.13

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Solution

The fourth proportional to 31,825.70, 47,732.40 and 30,245.13 is: 45,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,825.70 : 47,732.40 = 30,245.13 : x
  2. Step 2: Convert to fraction form
    31,825.70/47,732.40 = 30,245.13/x
  3. Step 3: Cross multiply
    31,825.70x = 47,732.40 × 30,245.13
  4. Step 4: Simplify right side
    31,825.70x = 1,443,672,643.21
  5. Step 5: Solve for x
    x = 1,443,672,643.21/31,825.70
  6. Step 6: Final answer
    x = 45,361.85

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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.