Home / 31,453.88-43,406.70-17,113.79

Finding the Fourth Proportional to 31,453.88, 43,406.70 and 17,113.79

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Solution

The fourth proportional to 31,453.88, 43,406.70 and 17,113.79 is: 23,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453.88 : 43,406.70 = 17,113.79 : x
  2. Step 2: Convert to fraction form
    31,453.88/43,406.70 = 17,113.79/x
  3. Step 3: Cross multiply
    31,453.88x = 43,406.70 × 17,113.79
  4. Step 4: Simplify right side
    31,453.88x = 742,853,148.39
  5. Step 5: Solve for x
    x = 742,853,148.39/31,453.88
  6. Step 6: Final answer
    x = 23,617.22

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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.