Home / 31,387.56-43,314.64-17,047.23

Finding the Fourth Proportional to 31,387.56, 43,314.64 and 17,047.23

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Solution

The fourth proportional to 31,387.56, 43,314.64 and 17,047.23 is: 23,525.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,387.56 : 43,314.64 = 17,047.23 : x
  2. Step 2: Convert to fraction form
    31,387.56/43,314.64 = 17,047.23/x
  3. Step 3: Cross multiply
    31,387.56x = 43,314.64 × 17,047.23
  4. Step 4: Simplify right side
    31,387.56x = 738,394,630.45
  5. Step 5: Solve for x
    x = 738,394,630.45/31,387.56
  6. Step 6: Final answer
    x = 23,525.07

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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.