Home / 31,703.57-43,750.82-18,274.73

Finding the Fourth Proportional to 31,703.57, 43,750.82 and 18,274.73

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Solution

The fourth proportional to 31,703.57, 43,750.82 and 18,274.73 is: 25,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.57 : 43,750.82 = 18,274.73 : x
  2. Step 2: Convert to fraction form
    31,703.57/43,750.82 = 18,274.73/x
  3. Step 3: Cross multiply
    31,703.57x = 43,750.82 × 18,274.73
  4. Step 4: Simplify right side
    31,703.57x = 799,534,331.40
  5. Step 5: Solve for x
    x = 799,534,331.40/31,703.57
  6. Step 6: Final answer
    x = 25,219.07

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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.