Home / 55,282.77-82,858.55-31,860.81

Finding the Fourth Proportional to 55,282.77, 82,858.55 and 31,860.81

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Solution

The fourth proportional to 55,282.77, 82,858.55 and 31,860.81 is: 47,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,282.77 : 82,858.55 = 31,860.81 : x
  2. Step 2: Convert to fraction form
    55,282.77/82,858.55 = 31,860.81/x
  3. Step 3: Cross multiply
    55,282.77x = 82,858.55 × 31,860.81
  4. Step 4: Simplify right side
    55,282.77x = 2,639,940,359.12
  5. Step 5: Solve for x
    x = 2,639,940,359.12/55,282.77
  6. Step 6: Final answer
    x = 47,753.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.