Home / 31,313.55-43,214.36-17,166.99

Finding the Fourth Proportional to 31,313.55, 43,214.36 and 17,166.99

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Solution

The fourth proportional to 31,313.55, 43,214.36 and 17,166.99 is: 23,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.55 : 43,214.36 = 17,166.99 : x
  2. Step 2: Convert to fraction form
    31,313.55/43,214.36 = 17,166.99/x
  3. Step 3: Cross multiply
    31,313.55x = 43,214.36 × 17,166.99
  4. Step 4: Simplify right side
    31,313.55x = 741,860,400.14
  5. Step 5: Solve for x
    x = 741,860,400.14/31,313.55
  6. Step 6: Final answer
    x = 23,691.35

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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.