Home / 30,433.29-41,990.27-17,855.61

Finding the Fourth Proportional to 30,433.29, 41,990.27 and 17,855.61

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Solution

The fourth proportional to 30,433.29, 41,990.27 and 17,855.61 is: 24,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,433.29 : 41,990.27 = 17,855.61 : x
  2. Step 2: Convert to fraction form
    30,433.29/41,990.27 = 17,855.61/x
  3. Step 3: Cross multiply
    30,433.29x = 41,990.27 × 17,855.61
  4. Step 4: Simplify right side
    30,433.29x = 749,761,795.64
  5. Step 5: Solve for x
    x = 749,761,795.64/30,433.29
  6. Step 6: Final answer
    x = 24,636.24

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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.