Home / 29,317.20-40,457.76-17,215.32

Finding the Fourth Proportional to 29,317.20, 40,457.76 and 17,215.32

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Solution

The fourth proportional to 29,317.20, 40,457.76 and 17,215.32 is: 23,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,317.20 : 40,457.76 = 17,215.32 : x
  2. Step 2: Convert to fraction form
    29,317.20/40,457.76 = 17,215.32/x
  3. Step 3: Cross multiply
    29,317.20x = 40,457.76 × 17,215.32
  4. Step 4: Simplify right side
    29,317.20x = 696,493,284.88
  5. Step 5: Solve for x
    x = 696,493,284.88/29,317.20
  6. Step 6: Final answer
    x = 23,757.16

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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.