Home / 30,288.09-45,433.98-9,511.59

Finding the Fourth Proportional to 30,288.09, 45,433.98 and 9,511.59

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Solution

The fourth proportional to 30,288.09, 45,433.98 and 9,511.59 is: 14,267.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.09 : 45,433.98 = 9,511.59 : x
  2. Step 2: Convert to fraction form
    30,288.09/45,433.98 = 9,511.59/x
  3. Step 3: Cross multiply
    30,288.09x = 45,433.98 × 9,511.59
  4. Step 4: Simplify right side
    30,288.09x = 432,149,560.21
  5. Step 5: Solve for x
    x = 432,149,560.21/30,288.09
  6. Step 6: Final answer
    x = 14,267.97

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1.5x scale

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.