Home / 30,849.80-42,572.46-16,702.52

Finding the Fourth Proportional to 30,849.80, 42,572.46 and 16,702.52

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Solution

The fourth proportional to 30,849.80, 42,572.46 and 16,702.52 is: 23,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,849.80 : 42,572.46 = 16,702.52 : x
  2. Step 2: Convert to fraction form
    30,849.80/42,572.46 = 16,702.52/x
  3. Step 3: Cross multiply
    30,849.80x = 42,572.46 × 16,702.52
  4. Step 4: Simplify right side
    30,849.80x = 711,067,364.60
  5. Step 5: Solve for x
    x = 711,067,364.60/30,849.80
  6. Step 6: Final answer
    x = 23,049.33

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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.