Home / 31,778.32-43,852.62-17,437.80

Finding the Fourth Proportional to 31,778.32, 43,852.62 and 17,437.80

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Solution

The fourth proportional to 31,778.32, 43,852.62 and 17,437.80 is: 24,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,778.32 : 43,852.62 = 17,437.80 : x
  2. Step 2: Convert to fraction form
    31,778.32/43,852.62 = 17,437.80/x
  3. Step 3: Cross multiply
    31,778.32x = 43,852.62 × 17,437.80
  4. Step 4: Simplify right side
    31,778.32x = 764,693,217.04
  5. Step 5: Solve for x
    x = 764,693,217.04/31,778.32
  6. Step 6: Final answer
    x = 24,063.36

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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.