Home / 30,034.12-41,447.37-16,422.57

Finding the Fourth Proportional to 30,034.12, 41,447.37 and 16,422.57

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Solution

The fourth proportional to 30,034.12, 41,447.37 and 16,422.57 is: 22,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,034.12 : 41,447.37 = 16,422.57 : x
  2. Step 2: Convert to fraction form
    30,034.12/41,447.37 = 16,422.57/x
  3. Step 3: Cross multiply
    30,034.12x = 41,447.37 × 16,422.57
  4. Step 4: Simplify right side
    30,034.12x = 680,672,335.14
  5. Step 5: Solve for x
    x = 680,672,335.14/30,034.12
  6. Step 6: Final answer
    x = 22,663.30

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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.