Home / 30,675.11-46,012.64-9,898.61

Finding the Fourth Proportional to 30,675.11, 46,012.64 and 9,898.61

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Solution

The fourth proportional to 30,675.11, 46,012.64 and 9,898.61 is: 14,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,675.11 : 46,012.64 = 9,898.61 : x
  2. Step 2: Convert to fraction form
    30,675.11/46,012.64 = 9,898.61/x
  3. Step 3: Cross multiply
    30,675.11x = 46,012.64 × 9,898.61
  4. Step 4: Simplify right side
    30,675.11x = 455,460,898.87
  5. Step 5: Solve for x
    x = 455,460,898.87/30,675.11
  6. Step 6: Final answer
    x = 14,847.90

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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.