Home / 40,639.46-55,957.84-35,575.34

Finding the Fourth Proportional to 40,639.46, 55,957.84 and 35,575.34

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Solution

The fourth proportional to 40,639.46, 55,957.84 and 35,575.34 is: 48,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,639.46 : 55,957.84 = 35,575.34 : x
  2. Step 2: Convert to fraction form
    40,639.46/55,957.84 = 35,575.34/x
  3. Step 3: Cross multiply
    40,639.46x = 55,957.84 × 35,575.34
  4. Step 4: Simplify right side
    40,639.46x = 1,990,718,814.94
  5. Step 5: Solve for x
    x = 1,990,718,814.94/40,639.46
  6. Step 6: Final answer
    x = 48,984.88

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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.