Home / 31,850.77-47,778.41-9,665.95

Finding the Fourth Proportional to 31,850.77, 47,778.41 and 9,665.95

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Solution

The fourth proportional to 31,850.77, 47,778.41 and 9,665.95 is: 14,499.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,850.77 : 47,778.41 = 9,665.95 : x
  2. Step 2: Convert to fraction form
    31,850.77/47,778.41 = 9,665.95/x
  3. Step 3: Cross multiply
    31,850.77x = 47,778.41 × 9,665.95
  4. Step 4: Simplify right side
    31,850.77x = 461,823,673.81
  5. Step 5: Solve for x
    x = 461,823,673.81/31,850.77
  6. Step 6: Final answer
    x = 14,499.61

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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.