Home / 30,276.83-41,764.76-18,174.09

Finding the Fourth Proportional to 30,276.83, 41,764.76 and 18,174.09

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Solution

The fourth proportional to 30,276.83, 41,764.76 and 18,174.09 is: 25,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.83 : 41,764.76 = 18,174.09 : x
  2. Step 2: Convert to fraction form
    30,276.83/41,764.76 = 18,174.09/x
  3. Step 3: Cross multiply
    30,276.83x = 41,764.76 × 18,174.09
  4. Step 4: Simplify right side
    30,276.83x = 759,036,416.20
  5. Step 5: Solve for x
    x = 759,036,416.20/30,276.83
  6. Step 6: Final answer
    x = 25,069.88

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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.