Home / 31,344.51-46,926.45-20,825.04

Finding the Fourth Proportional to 31,344.51, 46,926.45 and 20,825.04

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Solution

The fourth proportional to 31,344.51, 46,926.45 and 20,825.04 is: 31,177.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.51 : 46,926.45 = 20,825.04 : x
  2. Step 2: Convert to fraction form
    31,344.51/46,926.45 = 20,825.04/x
  3. Step 3: Cross multiply
    31,344.51x = 46,926.45 × 20,825.04
  4. Step 4: Simplify right side
    31,344.51x = 977,245,198.31
  5. Step 5: Solve for x
    x = 977,245,198.31/31,344.51
  6. Step 6: Final answer
    x = 31,177.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.