Home / 29,108.80-43,590.30-19,194.40

Finding the Fourth Proportional to 29,108.80, 43,590.30 and 19,194.40

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Solution

The fourth proportional to 29,108.80, 43,590.30 and 19,194.40 is: 28,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,108.80 : 43,590.30 = 19,194.40 : x
  2. Step 2: Convert to fraction form
    29,108.80/43,590.30 = 19,194.40/x
  3. Step 3: Cross multiply
    29,108.80x = 43,590.30 × 19,194.40
  4. Step 4: Simplify right side
    29,108.80x = 836,689,654.32
  5. Step 5: Solve for x
    x = 836,689,654.32/29,108.80
  6. Step 6: Final answer
    x = 28,743.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.