Home / 29,022.88-40,051.20-17,086.72

Finding the Fourth Proportional to 29,022.88, 40,051.20 and 17,086.72

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Solution

The fourth proportional to 29,022.88, 40,051.20 and 17,086.72 is: 23,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,022.88 : 40,051.20 = 17,086.72 : x
  2. Step 2: Convert to fraction form
    29,022.88/40,051.20 = 17,086.72/x
  3. Step 3: Cross multiply
    29,022.88x = 40,051.20 × 17,086.72
  4. Step 4: Simplify right side
    29,022.88x = 684,343,640.06
  5. Step 5: Solve for x
    x = 684,343,640.06/29,022.88
  6. Step 6: Final answer
    x = 23,579.45

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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.