Home / 31,506.13-43,478.43-17,358.97

Finding the Fourth Proportional to 31,506.13, 43,478.43 and 17,358.97

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Solution

The fourth proportional to 31,506.13, 43,478.43 and 17,358.97 is: 23,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.13 : 43,478.43 = 17,358.97 : x
  2. Step 2: Convert to fraction form
    31,506.13/43,478.43 = 17,358.97/x
  3. Step 3: Cross multiply
    31,506.13x = 43,478.43 × 17,358.97
  4. Step 4: Simplify right side
    31,506.13x = 754,740,675.22
  5. Step 5: Solve for x
    x = 754,740,675.22/31,506.13
  6. Step 6: Final answer
    x = 23,955.36

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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.