Home / 35,819.83-49,432.14-19,687.30

Finding the Fourth Proportional to 35,819.83, 49,432.14 and 19,687.30

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Solution

The fourth proportional to 35,819.83, 49,432.14 and 19,687.30 is: 27,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,819.83 : 49,432.14 = 19,687.30 : x
  2. Step 2: Convert to fraction form
    35,819.83/49,432.14 = 19,687.30/x
  3. Step 3: Cross multiply
    35,819.83x = 49,432.14 × 19,687.30
  4. Step 4: Simplify right side
    35,819.83x = 973,185,246.24
  5. Step 5: Solve for x
    x = 973,185,246.24/35,819.83
  6. Step 6: Final answer
    x = 27,168.90

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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.