Home / 35,705.28-49,273.20-20,597.70

Finding the Fourth Proportional to 35,705.28, 49,273.20 and 20,597.70

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Solution

The fourth proportional to 35,705.28, 49,273.20 and 20,597.70 is: 28,424.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,705.28 : 49,273.20 = 20,597.70 : x
  2. Step 2: Convert to fraction form
    35,705.28/49,273.20 = 20,597.70/x
  3. Step 3: Cross multiply
    35,705.28x = 49,273.20 × 20,597.70
  4. Step 4: Simplify right side
    35,705.28x = 1,014,914,591.64
  5. Step 5: Solve for x
    x = 1,014,914,591.64/35,705.28
  6. Step 6: Final answer
    x = 28,424.78

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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.