Home / 29,086.40-40,138.16-17,774.82

Finding the Fourth Proportional to 29,086.40, 40,138.16 and 17,774.82

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Solution

The fourth proportional to 29,086.40, 40,138.16 and 17,774.82 is: 24,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,086.40 : 40,138.16 = 17,774.82 : x
  2. Step 2: Convert to fraction form
    29,086.40/40,138.16 = 17,774.82/x
  3. Step 3: Cross multiply
    29,086.40x = 40,138.16 × 17,774.82
  4. Step 4: Simplify right side
    29,086.40x = 713,448,480.26
  5. Step 5: Solve for x
    x = 713,448,480.26/29,086.40
  6. Step 6: Final answer
    x = 24,528.60

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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.