Home / 31,947.60-44,087.58-18,521.58

Finding the Fourth Proportional to 31,947.60, 44,087.58 and 18,521.58

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Solution

The fourth proportional to 31,947.60, 44,087.58 and 18,521.58 is: 25,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947.60 : 44,087.58 = 18,521.58 : x
  2. Step 2: Convert to fraction form
    31,947.60/44,087.58 = 18,521.58/x
  3. Step 3: Cross multiply
    31,947.60x = 44,087.58 × 18,521.58
  4. Step 4: Simplify right side
    31,947.60x = 816,571,639.98
  5. Step 5: Solve for x
    x = 816,571,639.98/31,947.60
  6. Step 6: Final answer
    x = 25,559.72

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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.