Home / 31,800.87-43,886.52-17,653.71

Finding the Fourth Proportional to 31,800.87, 43,886.52 and 17,653.71

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Solution

The fourth proportional to 31,800.87, 43,886.52 and 17,653.71 is: 24,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,800.87 : 43,886.52 = 17,653.71 : x
  2. Step 2: Convert to fraction form
    31,800.87/43,886.52 = 17,653.71/x
  3. Step 3: Cross multiply
    31,800.87x = 43,886.52 × 17,653.71
  4. Step 4: Simplify right side
    31,800.87x = 774,759,896.99
  5. Step 5: Solve for x
    x = 774,759,896.99/31,800.87
  6. Step 6: Final answer
    x = 24,362.85

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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.