Home / 30,672.30-46,008.45-18,230.70

Finding the Fourth Proportional to 30,672.30, 46,008.45 and 18,230.70

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Solution

The fourth proportional to 30,672.30, 46,008.45 and 18,230.70 is: 27,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672.30 : 46,008.45 = 18,230.70 : x
  2. Step 2: Convert to fraction form
    30,672.30/46,008.45 = 18,230.70/x
  3. Step 3: Cross multiply
    30,672.30x = 46,008.45 × 18,230.70
  4. Step 4: Simplify right side
    30,672.30x = 838,766,249.42
  5. Step 5: Solve for x
    x = 838,766,249.42/30,672.30
  6. Step 6: Final answer
    x = 27,346.05

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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.