Home / 30,935.10-46,411.92-12,217.80

Finding the Fourth Proportional to 30,935.10, 46,411.92 and 12,217.80

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Solution

The fourth proportional to 30,935.10, 46,411.92 and 12,217.80 is: 18,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.10 : 46,411.92 = 12,217.80 : x
  2. Step 2: Convert to fraction form
    30,935.10/46,411.92 = 12,217.80/x
  3. Step 3: Cross multiply
    30,935.10x = 46,411.92 × 12,217.80
  4. Step 4: Simplify right side
    30,935.10x = 567,051,556.18
  5. Step 5: Solve for x
    x = 567,051,556.18/30,935.10
  6. Step 6: Final answer
    x = 18,330.36

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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.