Home / 31,771.05-43,849.31-17,628.45

Finding the Fourth Proportional to 31,771.05, 43,849.31 and 17,628.45

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Solution

The fourth proportional to 31,771.05, 43,849.31 and 17,628.45 is: 24,330.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,771.05 : 43,849.31 = 17,628.45 : x
  2. Step 2: Convert to fraction form
    31,771.05/43,849.31 = 17,628.45/x
  3. Step 3: Cross multiply
    31,771.05x = 43,849.31 × 17,628.45
  4. Step 4: Simplify right side
    31,771.05x = 772,995,368.87
  5. Step 5: Solve for x
    x = 772,995,368.87/31,771.05
  6. Step 6: Final answer
    x = 24,330.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.