Home / 40,196.30-55,406.96-31,684.61

Finding the Fourth Proportional to 40,196.30, 55,406.96 and 31,684.61

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Solution

The fourth proportional to 40,196.30, 55,406.96 and 31,684.61 is: 43,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,196.30 : 55,406.96 = 31,684.61 : x
  2. Step 2: Convert to fraction form
    40,196.30/55,406.96 = 31,684.61/x
  3. Step 3: Cross multiply
    40,196.30x = 55,406.96 × 31,684.61
  4. Step 4: Simplify right side
    40,196.30x = 1,755,547,760.46
  5. Step 5: Solve for x
    x = 1,755,547,760.46/40,196.30
  6. Step 6: Final answer
    x = 43,674.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.