Home / 29,318.49-40,464.77-17,388.45

Finding the Fourth Proportional to 29,318.49, 40,464.77 and 17,388.45

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Solution

The fourth proportional to 29,318.49, 40,464.77 and 17,388.45 is: 23,999.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,318.49 : 40,464.77 = 17,388.45 : x
  2. Step 2: Convert to fraction form
    29,318.49/40,464.77 = 17,388.45/x
  3. Step 3: Cross multiply
    29,318.49x = 40,464.77 × 17,388.45
  4. Step 4: Simplify right side
    29,318.49x = 703,619,542.96
  5. Step 5: Solve for x
    x = 703,619,542.96/29,318.49
  6. Step 6: Final answer
    x = 23,999.17

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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.