Home / 31,359.07-43,268.07-17,747.29

Finding the Fourth Proportional to 31,359.07, 43,268.07 and 17,747.29

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Solution

The fourth proportional to 31,359.07, 43,268.07 and 17,747.29 is: 24,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,359.07 : 43,268.07 = 17,747.29 : x
  2. Step 2: Convert to fraction form
    31,359.07/43,268.07 = 17,747.29/x
  3. Step 3: Cross multiply
    31,359.07x = 43,268.07 × 17,747.29
  4. Step 4: Simplify right side
    31,359.07x = 767,890,986.03
  5. Step 5: Solve for x
    x = 767,890,986.03/31,359.07
  6. Step 6: Final answer
    x = 24,487.05

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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.