Home / 31,623.63-43,638.93-17,475.63

Finding the Fourth Proportional to 31,623.63, 43,638.93 and 17,475.63

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Solution

The fourth proportional to 31,623.63, 43,638.93 and 17,475.63 is: 24,115.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,623.63 : 43,638.93 = 17,475.63 : x
  2. Step 2: Convert to fraction form
    31,623.63/43,638.93 = 17,475.63/x
  3. Step 3: Cross multiply
    31,623.63x = 43,638.93 × 17,475.63
  4. Step 4: Simplify right side
    31,623.63x = 762,617,794.28
  5. Step 5: Solve for x
    x = 762,617,794.28/31,623.63
  6. Step 6: Final answer
    x = 24,115.44

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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.