Home / 31,280.20-46,920.39-15,694.18

Finding the Fourth Proportional to 31,280.20, 46,920.39 and 15,694.18

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Solution

The fourth proportional to 31,280.20, 46,920.39 and 15,694.18 is: 23,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.20 : 46,920.39 = 15,694.18 : x
  2. Step 2: Convert to fraction form
    31,280.20/46,920.39 = 15,694.18/x
  3. Step 3: Cross multiply
    31,280.20x = 46,920.39 × 15,694.18
  4. Step 4: Simplify right side
    31,280.20x = 736,377,046.33
  5. Step 5: Solve for x
    x = 736,377,046.33/31,280.20
  6. Step 6: Final answer
    x = 23,541.32

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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.