Home / 30,469.12-45,697.28-8,576

Finding the Fourth Proportional to 30,469.12, 45,697.28 and 8,576

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Solution

The fourth proportional to 30,469.12, 45,697.28 and 8,576 is: 12,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,469.12 : 45,697.28 = 8,576 : x
  2. Step 2: Convert to fraction form
    30,469.12/45,697.28 = 8,576/x
  3. Step 3: Cross multiply
    30,469.12x = 45,697.28 × 8,576
  4. Step 4: Simplify right side
    30,469.12x = 391,899,873.28
  5. Step 5: Solve for x
    x = 391,899,873.28/30,469.12
  6. Step 6: Final answer
    x = 12,862.20

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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.