Home / 31,202.28-43,063.18-17,778.35

Finding the Fourth Proportional to 31,202.28, 43,063.18 and 17,778.35

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Solution

The fourth proportional to 31,202.28, 43,063.18 and 17,778.35 is: 24,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,202.28 : 43,063.18 = 17,778.35 : x
  2. Step 2: Convert to fraction form
    31,202.28/43,063.18 = 17,778.35/x
  3. Step 3: Cross multiply
    31,202.28x = 43,063.18 × 17,778.35
  4. Step 4: Simplify right side
    31,202.28x = 765,592,349.37
  5. Step 5: Solve for x
    x = 765,592,349.37/31,202.28
  6. Step 6: Final answer
    x = 24,536.42

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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.