Home / 35,742.92-49,330.32-20,632.56

Finding the Fourth Proportional to 35,742.92, 49,330.32 and 20,632.56

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Solution

The fourth proportional to 35,742.92, 49,330.32 and 20,632.56 is: 28,475.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,742.92 : 49,330.32 = 20,632.56 : x
  2. Step 2: Convert to fraction form
    35,742.92/49,330.32 = 20,632.56/x
  3. Step 3: Cross multiply
    35,742.92x = 49,330.32 × 20,632.56
  4. Step 4: Simplify right side
    35,742.92x = 1,017,810,787.22
  5. Step 5: Solve for x
    x = 1,017,810,787.22/35,742.92
  6. Step 6: Final answer
    x = 28,475.88

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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.