Home / 30,729.88-46,102.12-9,953.38

Finding the Fourth Proportional to 30,729.88, 46,102.12 and 9,953.38

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Solution

The fourth proportional to 30,729.88, 46,102.12 and 9,953.38 is: 14,932.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,729.88 : 46,102.12 = 9,953.38 : x
  2. Step 2: Convert to fraction form
    30,729.88/46,102.12 = 9,953.38/x
  3. Step 3: Cross multiply
    30,729.88x = 46,102.12 × 9,953.38
  4. Step 4: Simplify right side
    30,729.88x = 458,871,919.17
  5. Step 5: Solve for x
    x = 458,871,919.17/30,729.88
  6. Step 6: Final answer
    x = 14,932.43

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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.