Home / 29,451.24-40,629.28-17,507.78

Finding the Fourth Proportional to 29,451.24, 40,629.28 and 17,507.78

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Solution

The fourth proportional to 29,451.24, 40,629.28 and 17,507.78 is: 24,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,451.24 : 40,629.28 = 17,507.78 : x
  2. Step 2: Convert to fraction form
    29,451.24/40,629.28 = 17,507.78/x
  3. Step 3: Cross multiply
    29,451.24x = 40,629.28 × 17,507.78
  4. Step 4: Simplify right side
    29,451.24x = 711,328,495.80
  5. Step 5: Solve for x
    x = 711,328,495.80/29,451.24
  6. Step 6: Final answer
    x = 24,152.75

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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.