Home / 30,896.40-46,337.31-8,711.85

Finding the Fourth Proportional to 30,896.40, 46,337.31 and 8,711.85

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Solution

The fourth proportional to 30,896.40, 46,337.31 and 8,711.85 is: 13,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,896.40 : 46,337.31 = 8,711.85 : x
  2. Step 2: Convert to fraction form
    30,896.40/46,337.31 = 8,711.85/x
  3. Step 3: Cross multiply
    30,896.40x = 46,337.31 × 8,711.85
  4. Step 4: Simplify right side
    30,896.40x = 403,683,694.12
  5. Step 5: Solve for x
    x = 403,683,694.12/30,896.40
  6. Step 6: Final answer
    x = 13,065.72

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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.