Home / 52,450.70-72,381.74-28,577.30

Finding the Fourth Proportional to 52,450.70, 72,381.74 and 28,577.30

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Solution

The fourth proportional to 52,450.70, 72,381.74 and 28,577.30 is: 39,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,450.70 : 72,381.74 = 28,577.30 : x
  2. Step 2: Convert to fraction form
    52,450.70/72,381.74 = 28,577.30/x
  3. Step 3: Cross multiply
    52,450.70x = 72,381.74 × 28,577.30
  4. Step 4: Simplify right side
    52,450.70x = 2,068,474,698.50
  5. Step 5: Solve for x
    x = 2,068,474,698.50/52,450.70
  6. Step 6: Final answer
    x = 39,436.55

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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.