Home / 34,199.40-47,189.30-19,091.28

Finding the Fourth Proportional to 34,199.40, 47,189.30 and 19,091.28

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Solution

The fourth proportional to 34,199.40, 47,189.30 and 19,091.28 is: 26,342.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,199.40 : 47,189.30 = 19,091.28 : x
  2. Step 2: Convert to fraction form
    34,199.40/47,189.30 = 19,091.28/x
  3. Step 3: Cross multiply
    34,199.40x = 47,189.30 × 19,091.28
  4. Step 4: Simplify right side
    34,199.40x = 900,904,139.30
  5. Step 5: Solve for x
    x = 900,904,139.30/34,199.40
  6. Step 6: Final answer
    x = 26,342.69

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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.