Home / 52,450.89-72,381.31-28,577.74

Finding the Fourth Proportional to 52,450.89, 72,381.31 and 28,577.74

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Solution

The fourth proportional to 52,450.89, 72,381.31 and 28,577.74 is: 39,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,450.89 : 72,381.31 = 28,577.74 : x
  2. Step 2: Convert to fraction form
    52,450.89/72,381.31 = 28,577.74/x
  3. Step 3: Cross multiply
    52,450.89x = 72,381.31 × 28,577.74
  4. Step 4: Simplify right side
    52,450.89x = 2,068,493,896.13
  5. Step 5: Solve for x
    x = 2,068,493,896.13/52,450.89
  6. Step 6: Final answer
    x = 39,436.77

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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.