Home / 30,039.80-41,451.28-16,609.22

Finding the Fourth Proportional to 30,039.80, 41,451.28 and 16,609.22

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Solution

The fourth proportional to 30,039.80, 41,451.28 and 16,609.22 is: 22,918.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039.80 : 41,451.28 = 16,609.22 : x
  2. Step 2: Convert to fraction form
    30,039.80/41,451.28 = 16,609.22/x
  3. Step 3: Cross multiply
    30,039.80x = 41,451.28 × 16,609.22
  4. Step 4: Simplify right side
    30,039.80x = 688,473,335.46
  5. Step 5: Solve for x
    x = 688,473,335.46/30,039.80
  6. Step 6: Final answer
    x = 22,918.71

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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.