Home / 51,025.07-76,538.39-19,436.89

Finding the Fourth Proportional to 51,025.07, 76,538.39 and 19,436.89

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Solution

The fourth proportional to 51,025.07, 76,538.39 and 19,436.89 is: 29,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,025.07 : 76,538.39 = 19,436.89 : x
  2. Step 2: Convert to fraction form
    51,025.07/76,538.39 = 19,436.89/x
  3. Step 3: Cross multiply
    51,025.07x = 76,538.39 × 19,436.89
  4. Step 4: Simplify right side
    51,025.07x = 1,487,667,787.33
  5. Step 5: Solve for x
    x = 1,487,667,787.33/51,025.07
  6. Step 6: Final answer
    x = 29,155.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.