Home / 48,156.20-66,450.90-28,012.04

Finding the Fourth Proportional to 48,156.20, 66,450.90 and 28,012.04

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Solution

The fourth proportional to 48,156.20, 66,450.90 and 28,012.04 is: 38,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,156.20 : 66,450.90 = 28,012.04 : x
  2. Step 2: Convert to fraction form
    48,156.20/66,450.90 = 28,012.04/x
  3. Step 3: Cross multiply
    48,156.20x = 66,450.90 × 28,012.04
  4. Step 4: Simplify right side
    48,156.20x = 1,861,425,268.84
  5. Step 5: Solve for x
    x = 1,861,425,268.84/48,156.20
  6. Step 6: Final answer
    x = 38,653.91

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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.