Home / 30,205.67-41,677.11-18,268.76

Finding the Fourth Proportional to 30,205.67, 41,677.11 and 18,268.76

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Solution

The fourth proportional to 30,205.67, 41,677.11 and 18,268.76 is: 25,206.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,205.67 : 41,677.11 = 18,268.76 : x
  2. Step 2: Convert to fraction form
    30,205.67/41,677.11 = 18,268.76/x
  3. Step 3: Cross multiply
    30,205.67x = 41,677.11 × 18,268.76
  4. Step 4: Simplify right side
    30,205.67x = 761,389,120.08
  5. Step 5: Solve for x
    x = 761,389,120.08/30,205.67
  6. Step 6: Final answer
    x = 25,206.83

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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.