Home / 35,905.96-53,861.10-10,947.79

Finding the Fourth Proportional to 35,905.96, 53,861.10 and 10,947.79

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Solution

The fourth proportional to 35,905.96, 53,861.10 and 10,947.79 is: 16,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.96 : 53,861.10 = 10,947.79 : x
  2. Step 2: Convert to fraction form
    35,905.96/53,861.10 = 10,947.79/x
  3. Step 3: Cross multiply
    35,905.96x = 53,861.10 × 10,947.79
  4. Step 4: Simplify right side
    35,905.96x = 589,660,011.97
  5. Step 5: Solve for x
    x = 589,660,011.97/35,905.96
  6. Step 6: Final answer
    x = 16,422.34

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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.