Home / 34,945.71-48,221.42-20,410.35

Finding the Fourth Proportional to 34,945.71, 48,221.42 and 20,410.35

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Solution

The fourth proportional to 34,945.71, 48,221.42 and 20,410.35 is: 28,164.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,945.71 : 48,221.42 = 20,410.35 : x
  2. Step 2: Convert to fraction form
    34,945.71/48,221.42 = 20,410.35/x
  3. Step 3: Cross multiply
    34,945.71x = 48,221.42 × 20,410.35
  4. Step 4: Simplify right side
    34,945.71x = 984,215,957.65
  5. Step 5: Solve for x
    x = 984,215,957.65/34,945.71
  6. Step 6: Final answer
    x = 28,164.14

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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.