Home / 52,450.20-72,381.72-28,576.98

Finding the Fourth Proportional to 52,450.20, 72,381.72 and 28,576.98

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Solution

The fourth proportional to 52,450.20, 72,381.72 and 28,576.98 is: 39,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,450.20 : 72,381.72 = 28,576.98 : x
  2. Step 2: Convert to fraction form
    52,450.20/72,381.72 = 28,576.98/x
  3. Step 3: Cross multiply
    52,450.20x = 72,381.72 × 28,576.98
  4. Step 4: Simplify right side
    52,450.20x = 2,068,450,964.81
  5. Step 5: Solve for x
    x = 2,068,450,964.81/52,450.20
  6. Step 6: Final answer
    x = 39,436.47

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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.