Home / 40,007.60-55,226.04-35,808.56

Finding the Fourth Proportional to 40,007.60, 55,226.04 and 35,808.56

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Solution

The fourth proportional to 40,007.60, 55,226.04 and 35,808.56 is: 49,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.60 : 55,226.04 = 35,808.56 : x
  2. Step 2: Convert to fraction form
    40,007.60/55,226.04 = 35,808.56/x
  3. Step 3: Cross multiply
    40,007.60x = 55,226.04 × 35,808.56
  4. Step 4: Simplify right side
    40,007.60x = 1,977,564,966.90
  5. Step 5: Solve for x
    x = 1,977,564,966.90/40,007.60
  6. Step 6: Final answer
    x = 49,429.73

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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.