Home / 31,506.26-43,478.79-17,359.07

Finding the Fourth Proportional to 31,506.26, 43,478.79 and 17,359.07

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Solution

The fourth proportional to 31,506.26, 43,478.79 and 17,359.07 is: 23,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.26 : 43,478.79 = 17,359.07 : x
  2. Step 2: Convert to fraction form
    31,506.26/43,478.79 = 17,359.07/x
  3. Step 3: Cross multiply
    31,506.26x = 43,478.79 × 17,359.07
  4. Step 4: Simplify right side
    31,506.26x = 754,751,359.13
  5. Step 5: Solve for x
    x = 754,751,359.13/31,506.26
  6. Step 6: Final answer
    x = 23,955.60

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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.