Home / 31,457.08-43,410.90-17,311.24

Finding the Fourth Proportional to 31,457.08, 43,410.90 and 17,311.24

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Solution

The fourth proportional to 31,457.08, 43,410.90 and 17,311.24 is: 23,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457.08 : 43,410.90 = 17,311.24 : x
  2. Step 2: Convert to fraction form
    31,457.08/43,410.90 = 17,311.24/x
  3. Step 3: Cross multiply
    31,457.08x = 43,410.90 × 17,311.24
  4. Step 4: Simplify right side
    31,457.08x = 751,496,508.52
  5. Step 5: Solve for x
    x = 751,496,508.52/31,457.08
  6. Step 6: Final answer
    x = 23,889.58

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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.