Home / 30,330.70-41,855.80-16,901.66

Finding the Fourth Proportional to 30,330.70, 41,855.80 and 16,901.66

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Solution

The fourth proportional to 30,330.70, 41,855.80 and 16,901.66 is: 23,323.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.70 : 41,855.80 = 16,901.66 : x
  2. Step 2: Convert to fraction form
    30,330.70/41,855.80 = 16,901.66/x
  3. Step 3: Cross multiply
    30,330.70x = 41,855.80 × 16,901.66
  4. Step 4: Simplify right side
    30,330.70x = 707,432,416.12
  5. Step 5: Solve for x
    x = 707,432,416.12/30,330.70
  6. Step 6: Final answer
    x = 23,323.97

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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.