Home / 29,487.72-40,689.96-17,223.51

Finding the Fourth Proportional to 29,487.72, 40,689.96 and 17,223.51

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Solution

The fourth proportional to 29,487.72, 40,689.96 and 17,223.51 is: 23,766.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,487.72 : 40,689.96 = 17,223.51 : x
  2. Step 2: Convert to fraction form
    29,487.72/40,689.96 = 17,223.51/x
  3. Step 3: Cross multiply
    29,487.72x = 40,689.96 × 17,223.51
  4. Step 4: Simplify right side
    29,487.72x = 700,823,932.96
  5. Step 5: Solve for x
    x = 700,823,932.96/29,487.72
  6. Step 6: Final answer
    x = 23,766.64

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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.