Home / 47,963.18-71,885.10-30,438.02

Finding the Fourth Proportional to 47,963.18, 71,885.10 and 30,438.02

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Solution

The fourth proportional to 47,963.18, 71,885.10 and 30,438.02 is: 45,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,963.18 : 71,885.10 = 30,438.02 : x
  2. Step 2: Convert to fraction form
    47,963.18/71,885.10 = 30,438.02/x
  3. Step 3: Cross multiply
    47,963.18x = 71,885.10 × 30,438.02
  4. Step 4: Simplify right side
    47,963.18x = 2,188,040,111.50
  5. Step 5: Solve for x
    x = 2,188,040,111.50/47,963.18
  6. Step 6: Final answer
    x = 45,619.16

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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.