Home / 47,491.40-71,185.84-30,863.37

Finding the Fourth Proportional to 47,491.40, 71,185.84 and 30,863.37

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Solution

The fourth proportional to 47,491.40, 71,185.84 and 30,863.37 is: 46,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,491.40 : 71,185.84 = 30,863.37 : x
  2. Step 2: Convert to fraction form
    47,491.40/71,185.84 = 30,863.37/x
  3. Step 3: Cross multiply
    47,491.40x = 71,185.84 × 30,863.37
  4. Step 4: Simplify right side
    47,491.40x = 2,197,034,881.66
  5. Step 5: Solve for x
    x = 2,197,034,881.66/47,491.40
  6. Step 6: Final answer
    x = 46,261.74

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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.