Home / 31,175.40-43,011.38-17,743.29

Finding the Fourth Proportional to 31,175.40, 43,011.38 and 17,743.29

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Solution

The fourth proportional to 31,175.40, 43,011.38 and 17,743.29 is: 24,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,175.40 : 43,011.38 = 17,743.29 : x
  2. Step 2: Convert to fraction form
    31,175.40/43,011.38 = 17,743.29/x
  3. Step 3: Cross multiply
    31,175.40x = 43,011.38 × 17,743.29
  4. Step 4: Simplify right side
    31,175.40x = 763,163,388.64
  5. Step 5: Solve for x
    x = 763,163,388.64/31,175.40
  6. Step 6: Final answer
    x = 24,479.67

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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.