Home / 52,631.88-72,632.38-28,758.54

Finding the Fourth Proportional to 52,631.88, 72,632.38 and 28,758.54

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Solution

The fourth proportional to 52,631.88, 72,632.38 and 28,758.54 is: 39,687.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,631.88 : 72,632.38 = 28,758.54 : x
  2. Step 2: Convert to fraction form
    52,631.88/72,632.38 = 28,758.54/x
  3. Step 3: Cross multiply
    52,631.88x = 72,632.38 × 28,758.54
  4. Step 4: Simplify right side
    52,631.88x = 2,088,801,205.53
  5. Step 5: Solve for x
    x = 2,088,801,205.53/52,631.88
  6. Step 6: Final answer
    x = 39,687.00

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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.