Home / 30,074.76-45,102.38-21,773.88

Finding the Fourth Proportional to 30,074.76, 45,102.38 and 21,773.88

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Solution

The fourth proportional to 30,074.76, 45,102.38 and 21,773.88 is: 32,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074.76 : 45,102.38 = 21,773.88 : x
  2. Step 2: Convert to fraction form
    30,074.76/45,102.38 = 21,773.88/x
  3. Step 3: Cross multiply
    30,074.76x = 45,102.38 × 21,773.88
  4. Step 4: Simplify right side
    30,074.76x = 982,053,700.97
  5. Step 5: Solve for x
    x = 982,053,700.97/30,074.76
  6. Step 6: Final answer
    x = 32,653.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.