Home / 30,687.18-46,016.22-10,689.69

Finding the Fourth Proportional to 30,687.18, 46,016.22 and 10,689.69

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Solution

The fourth proportional to 30,687.18, 46,016.22 and 10,689.69 is: 16,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687.18 : 46,016.22 = 10,689.69 : x
  2. Step 2: Convert to fraction form
    30,687.18/46,016.22 = 10,689.69/x
  3. Step 3: Cross multiply
    30,687.18x = 46,016.22 × 10,689.69
  4. Step 4: Simplify right side
    30,687.18x = 491,899,126.77
  5. Step 5: Solve for x
    x = 491,899,126.77/30,687.18
  6. Step 6: Final answer
    x = 16,029.47

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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.