Home / 47,688.62-71,545.39-27,678.87

Finding the Fourth Proportional to 47,688.62, 71,545.39 and 27,678.87

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Solution

The fourth proportional to 47,688.62, 71,545.39 and 27,678.87 is: 41,525.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,688.62 : 71,545.39 = 27,678.87 : x
  2. Step 2: Convert to fraction form
    47,688.62/71,545.39 = 27,678.87/x
  3. Step 3: Cross multiply
    47,688.62x = 71,545.39 × 27,678.87
  4. Step 4: Simplify right side
    47,688.62x = 1,980,295,479.71
  5. Step 5: Solve for x
    x = 1,980,295,479.71/47,688.62
  6. Step 6: Final answer
    x = 41,525.54

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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.