Home / 31,461.33-43,417.47-17,122.01

Finding the Fourth Proportional to 31,461.33, 43,417.47 and 17,122.01

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Solution

The fourth proportional to 31,461.33, 43,417.47 and 17,122.01 is: 23,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461.33 : 43,417.47 = 17,122.01 : x
  2. Step 2: Convert to fraction form
    31,461.33/43,417.47 = 17,122.01/x
  3. Step 3: Cross multiply
    31,461.33x = 43,417.47 × 17,122.01
  4. Step 4: Simplify right side
    31,461.33x = 743,394,138.43
  5. Step 5: Solve for x
    x = 743,394,138.43/31,461.33
  6. Step 6: Final answer
    x = 23,628.82

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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.