Home / 30,935.15-46,371.02-12,207.61

Finding the Fourth Proportional to 30,935.15, 46,371.02 and 12,207.61

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Solution

The fourth proportional to 30,935.15, 46,371.02 and 12,207.61 is: 18,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.15 : 46,371.02 = 12,207.61 : x
  2. Step 2: Convert to fraction form
    30,935.15/46,371.02 = 12,207.61/x
  3. Step 3: Cross multiply
    30,935.15x = 46,371.02 × 12,207.61
  4. Step 4: Simplify right side
    30,935.15x = 566,079,324.39
  5. Step 5: Solve for x
    x = 566,079,324.39/30,935.15
  6. Step 6: Final answer
    x = 18,298.90

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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.