Home / 30,065.04-41,489.80-16,636.86

Finding the Fourth Proportional to 30,065.04, 41,489.80 and 16,636.86

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Solution

The fourth proportional to 30,065.04, 41,489.80 and 16,636.86 is: 22,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,065.04 : 41,489.80 = 16,636.86 : x
  2. Step 2: Convert to fraction form
    30,065.04/41,489.80 = 16,636.86/x
  3. Step 3: Cross multiply
    30,065.04x = 41,489.80 × 16,636.86
  4. Step 4: Simplify right side
    30,065.04x = 690,259,994.03
  5. Step 5: Solve for x
    x = 690,259,994.03/30,065.04
  6. Step 6: Final answer
    x = 22,958.89

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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.