Home / 31,533.90-43,517.07-17,386.38

Finding the Fourth Proportional to 31,533.90, 43,517.07 and 17,386.38

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Solution

The fourth proportional to 31,533.90, 43,517.07 and 17,386.38 is: 23,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533.90 : 43,517.07 = 17,386.38 : x
  2. Step 2: Convert to fraction form
    31,533.90/43,517.07 = 17,386.38/x
  3. Step 3: Cross multiply
    31,533.90x = 43,517.07 × 17,386.38
  4. Step 4: Simplify right side
    31,533.90x = 756,604,315.51
  5. Step 5: Solve for x
    x = 756,604,315.51/31,533.90
  6. Step 6: Final answer
    x = 23,993.36

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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.