Home / 47,027.73-70,545.69-15,428.31

Finding the Fourth Proportional to 47,027.73, 70,545.69 and 15,428.31

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Solution

The fourth proportional to 47,027.73, 70,545.69 and 15,428.31 is: 23,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,027.73 : 70,545.69 = 15,428.31 : x
  2. Step 2: Convert to fraction form
    47,027.73/70,545.69 = 15,428.31/x
  3. Step 3: Cross multiply
    47,027.73x = 70,545.69 × 15,428.31
  4. Step 4: Simplify right side
    47,027.73x = 1,088,400,774.48
  5. Step 5: Solve for x
    x = 1,088,400,774.48/47,027.73
  6. Step 6: Final answer
    x = 23,143.81

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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.