Home / 31,357.26-43,293.29-19,433.25

Finding the Fourth Proportional to 31,357.26, 43,293.29 and 19,433.25

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Solution

The fourth proportional to 31,357.26, 43,293.29 and 19,433.25 is: 26,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,357.26 : 43,293.29 = 19,433.25 : x
  2. Step 2: Convert to fraction form
    31,357.26/43,293.29 = 19,433.25/x
  3. Step 3: Cross multiply
    31,357.26x = 43,293.29 × 19,433.25
  4. Step 4: Simplify right side
    31,357.26x = 841,329,230.73
  5. Step 5: Solve for x
    x = 841,329,230.73/31,357.26
  6. Step 6: Final answer
    x = 26,830.44

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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.