Home / 30,331.20-41,855.67-16,903.92

Finding the Fourth Proportional to 30,331.20, 41,855.67 and 16,903.92

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Solution

The fourth proportional to 30,331.20, 41,855.67 and 16,903.92 is: 23,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331.20 : 41,855.67 = 16,903.92 : x
  2. Step 2: Convert to fraction form
    30,331.20/41,855.67 = 16,903.92/x
  3. Step 3: Cross multiply
    30,331.20x = 41,855.67 × 16,903.92
  4. Step 4: Simplify right side
    30,331.20x = 707,524,897.23
  5. Step 5: Solve for x
    x = 707,524,897.23/30,331.20
  6. Step 6: Final answer
    x = 23,326.64

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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.