Home / 31,842.09-47,761.92-10,783.71

Finding the Fourth Proportional to 31,842.09, 47,761.92 and 10,783.71

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Solution

The fourth proportional to 31,842.09, 47,761.92 and 10,783.71 is: 16,175.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,842.09 : 47,761.92 = 10,783.71 : x
  2. Step 2: Convert to fraction form
    31,842.09/47,761.92 = 10,783.71/x
  3. Step 3: Cross multiply
    31,842.09x = 47,761.92 × 10,783.71
  4. Step 4: Simplify right side
    31,842.09x = 515,050,694.32
  5. Step 5: Solve for x
    x = 515,050,694.32/31,842.09
  6. Step 6: Final answer
    x = 16,175.15

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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.