Home / 30,218.52-41,702.30-16,790.34

Finding the Fourth Proportional to 30,218.52, 41,702.30 and 16,790.34

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Solution

The fourth proportional to 30,218.52, 41,702.30 and 16,790.34 is: 23,171.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218.52 : 41,702.30 = 16,790.34 : x
  2. Step 2: Convert to fraction form
    30,218.52/41,702.30 = 16,790.34/x
  3. Step 3: Cross multiply
    30,218.52x = 41,702.30 × 16,790.34
  4. Step 4: Simplify right side
    30,218.52x = 700,195,711.83
  5. Step 5: Solve for x
    x = 700,195,711.83/30,218.52
  6. Step 6: Final answer
    x = 23,171.08

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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.