Home / 31,260.66-46,891.20-12,792.66

Finding the Fourth Proportional to 31,260.66, 46,891.20 and 12,792.66

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Solution

The fourth proportional to 31,260.66, 46,891.20 and 12,792.66 is: 19,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,260.66 : 46,891.20 = 12,792.66 : x
  2. Step 2: Convert to fraction form
    31,260.66/46,891.20 = 12,792.66/x
  3. Step 3: Cross multiply
    31,260.66x = 46,891.20 × 12,792.66
  4. Step 4: Simplify right side
    31,260.66x = 599,863,178.59
  5. Step 5: Solve for x
    x = 599,863,178.59/31,260.66
  6. Step 6: Final answer
    x = 19,189.08

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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.