Home / 29,385.99-40,523.36-18,771.75

Finding the Fourth Proportional to 29,385.99, 40,523.36 and 18,771.75

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Solution

The fourth proportional to 29,385.99, 40,523.36 and 18,771.75 is: 25,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,385.99 : 40,523.36 = 18,771.75 : x
  2. Step 2: Convert to fraction form
    29,385.99/40,523.36 = 18,771.75/x
  3. Step 3: Cross multiply
    29,385.99x = 40,523.36 × 18,771.75
  4. Step 4: Simplify right side
    29,385.99x = 760,694,289.22
  5. Step 5: Solve for x
    x = 760,694,289.22/29,385.99
  6. Step 6: Final answer
    x = 25,886.29

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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.