Home / 31,396.12-43,326.36-17,055.64

Finding the Fourth Proportional to 31,396.12, 43,326.36 and 17,055.64

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Solution

The fourth proportional to 31,396.12, 43,326.36 and 17,055.64 is: 23,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.12 : 43,326.36 = 17,055.64 : x
  2. Step 2: Convert to fraction form
    31,396.12/43,326.36 = 17,055.64/x
  3. Step 3: Cross multiply
    31,396.12x = 43,326.36 × 17,055.64
  4. Step 4: Simplify right side
    31,396.12x = 738,958,798.67
  5. Step 5: Solve for x
    x = 738,958,798.67/31,396.12
  6. Step 6: Final answer
    x = 23,536.63

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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.