Home / 35,819.96-49,431.50-19,905.96

Finding the Fourth Proportional to 35,819.96, 49,431.50 and 19,905.96

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Solution

The fourth proportional to 35,819.96, 49,431.50 and 19,905.96 is: 27,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,819.96 : 49,431.50 = 19,905.96 : x
  2. Step 2: Convert to fraction form
    35,819.96/49,431.50 = 19,905.96/x
  3. Step 3: Cross multiply
    35,819.96x = 49,431.50 × 19,905.96
  4. Step 4: Simplify right side
    35,819.96x = 983,981,461.74
  5. Step 5: Solve for x
    x = 983,981,461.74/35,819.96
  6. Step 6: Final answer
    x = 27,470.20

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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.