Home / 31,307.45-43,204.26-17,159.99

Finding the Fourth Proportional to 31,307.45, 43,204.26 and 17,159.99

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Solution

The fourth proportional to 31,307.45, 43,204.26 and 17,159.99 is: 23,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.45 : 43,204.26 = 17,159.99 : x
  2. Step 2: Convert to fraction form
    31,307.45/43,204.26 = 17,159.99/x
  3. Step 3: Cross multiply
    31,307.45x = 43,204.26 × 17,159.99
  4. Step 4: Simplify right side
    31,307.45x = 741,384,453.54
  5. Step 5: Solve for x
    x = 741,384,453.54/31,307.45
  6. Step 6: Final answer
    x = 23,680.77

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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.