Home / 31,106.28-46,659.38-7,732.71

Finding the Fourth Proportional to 31,106.28, 46,659.38 and 7,732.71

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Solution

The fourth proportional to 31,106.28, 46,659.38 and 7,732.71 is: 11,599.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,106.28 : 46,659.38 = 7,732.71 : x
  2. Step 2: Convert to fraction form
    31,106.28/46,659.38 = 7,732.71/x
  3. Step 3: Cross multiply
    31,106.28x = 46,659.38 × 7,732.71
  4. Step 4: Simplify right side
    31,106.28x = 360,803,415.66
  5. Step 5: Solve for x
    x = 360,803,415.66/31,106.28
  6. Step 6: Final answer
    x = 11,599.05

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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.