Home / 31,258.31-46,891.58-10,190.95

Finding the Fourth Proportional to 31,258.31, 46,891.58 and 10,190.95

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Solution

The fourth proportional to 31,258.31, 46,891.58 and 10,190.95 is: 15,287.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,258.31 : 46,891.58 = 10,190.95 : x
  2. Step 2: Convert to fraction form
    31,258.31/46,891.58 = 10,190.95/x
  3. Step 3: Cross multiply
    31,258.31x = 46,891.58 × 10,190.95
  4. Step 4: Simplify right side
    31,258.31x = 477,869,579.02
  5. Step 5: Solve for x
    x = 477,869,579.02/31,258.31
  6. Step 6: Final answer
    x = 15,287.76

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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.