Home / 31,401.92-46,913.06-20,217.44

Finding the Fourth Proportional to 31,401.92, 46,913.06 and 20,217.44

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Solution

The fourth proportional to 31,401.92, 46,913.06 and 20,217.44 is: 30,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401.92 : 46,913.06 = 20,217.44 : x
  2. Step 2: Convert to fraction form
    31,401.92/46,913.06 = 20,217.44/x
  3. Step 3: Cross multiply
    31,401.92x = 46,913.06 × 20,217.44
  4. Step 4: Simplify right side
    31,401.92x = 948,461,975.77
  5. Step 5: Solve for x
    x = 948,461,975.77/31,401.92
  6. Step 6: Final answer
    x = 30,203.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.