Home / 29,171.28-40,257.16-17,840.57

Finding the Fourth Proportional to 29,171.28, 40,257.16 and 17,840.57

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Solution

The fourth proportional to 29,171.28, 40,257.16 and 17,840.57 is: 24,620.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,171.28 : 40,257.16 = 17,840.57 : x
  2. Step 2: Convert to fraction form
    29,171.28/40,257.16 = 17,840.57/x
  3. Step 3: Cross multiply
    29,171.28x = 40,257.16 × 17,840.57
  4. Step 4: Simplify right side
    29,171.28x = 718,210,617.15
  5. Step 5: Solve for x
    x = 718,210,617.15/29,171.28
  6. Step 6: Final answer
    x = 24,620.47

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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.