Home / 31,916.68-47,882.78-9,730.48

Finding the Fourth Proportional to 31,916.68, 47,882.78 and 9,730.48

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Solution

The fourth proportional to 31,916.68, 47,882.78 and 9,730.48 is: 14,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,916.68 : 47,882.78 = 9,730.48 : x
  2. Step 2: Convert to fraction form
    31,916.68/47,882.78 = 9,730.48/x
  3. Step 3: Cross multiply
    31,916.68x = 47,882.78 × 9,730.48
  4. Step 4: Simplify right side
    31,916.68x = 465,922,433.13
  5. Step 5: Solve for x
    x = 465,922,433.13/31,916.68
  6. Step 6: Final answer
    x = 14,598.09

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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.