Home / 31,519.89-47,290.64-10,757.97

Finding the Fourth Proportional to 31,519.89, 47,290.64 and 10,757.97

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Solution

The fourth proportional to 31,519.89, 47,290.64 and 10,757.97 is: 16,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.89 : 47,290.64 = 10,757.97 : x
  2. Step 2: Convert to fraction form
    31,519.89/47,290.64 = 10,757.97/x
  3. Step 3: Cross multiply
    31,519.89x = 47,290.64 × 10,757.97
  4. Step 4: Simplify right side
    31,519.89x = 508,751,232.61
  5. Step 5: Solve for x
    x = 508,751,232.61/31,519.89
  6. Step 6: Final answer
    x = 16,140.64

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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.